Update icons to show lowdata and very lowdata for 3G data.

BUG=chromium-os:5608
TEST=manual
Review URL: http://codereview.chromium.org/3748005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@63135 0039d316-1c4b-4281-b951-d872f2087c98

32 files changed, 218 insertions, 100 deletions

diff --git a/chrome/app/theme/statusbar_network_3g.png b/chrome/app/theme/statusbar_network_3g.png
index 556136f..b276ad2 100644
--- a/chrome/app/theme/statusbar_network_3g.png
+++ b/chrome/app/theme/statusbar_network_3g.png
diff --git a/chrome/app/theme/statusbar_network_3g_lowdata.png b/chrome/app/theme/statusbar_network_3g_lowdata.png
new file mode 100644
index 0000000..556136f
--- /dev/null
+++ b/chrome/app/theme/statusbar_network_3g_lowdata.png
diff --git a/chrome/app/theme/statusbar_network_3g_vlowdata.png b/chrome/app/theme/statusbar_network_3g_vlowdata.png
new file mode 100644
index 0000000..bcf46aa
--- /dev/null
+++ b/chrome/app/theme/statusbar_network_3g_vlowdata.png
diff --git a/chrome/app/theme/statusbar_network_bars1_lowdata.png b/chrome/app/theme/statusbar_network_bars1_lowdata.png
new file mode 100644
index 0000000..69b6181
--- /dev/null
+++ b/chrome/app/theme/statusbar_network_bars1_lowdata.png
diff --git a/chrome/app/theme/statusbar_network_bars1_vlowdata.png b/chrome/app/theme/statusbar_network_bars1_vlowdata.png
new file mode 100644
index 0000000..5932ffd
--- /dev/null
+++ b/chrome/app/theme/statusbar_network_bars1_vlowdata.png
diff --git a/chrome/app/theme/statusbar_network_bars2_lowdata.png b/chrome/app/theme/statusbar_network_bars2_lowdata.png
new file mode 100644
index 0000000..a58fc13
--- /dev/null
+++ b/chrome/app/theme/statusbar_network_bars2_lowdata.png
diff --git a/chrome/app/theme/statusbar_network_bars2_vlowdata.png b/chrome/app/theme/statusbar_network_bars2_vlowdata.png
new file mode 100644
index 0000000..6817f3d
--- /dev/null
+++ b/chrome/app/theme/statusbar_network_bars2_vlowdata.png
diff --git a/chrome/app/theme/statusbar_network_bars3_lowdata.png b/chrome/app/theme/statusbar_network_bars3_lowdata.png
new file mode 100644
index 0000000..e36b8c6
--- /dev/null
+++ b/chrome/app/theme/statusbar_network_bars3_lowdata.png
diff --git a/chrome/app/theme/statusbar_network_bars3_vlowdata.png b/chrome/app/theme/statusbar_network_bars3_vlowdata.png
new file mode 100644
index 0000000..4e1a9038
--- /dev/null
+++ b/chrome/app/theme/statusbar_network_bars3_vlowdata.png
diff --git a/chrome/app/theme/statusbar_network_bars4_lowdata.png b/chrome/app/theme/statusbar_network_bars4_lowdata.png
new file mode 100644
index 0000000..9e5bc94
--- /dev/null
+++ b/chrome/app/theme/statusbar_network_bars4_lowdata.png
diff --git a/chrome/app/theme/statusbar_network_bars4_vlowdata.png b/chrome/app/theme/statusbar_network_bars4_vlowdata.png
new file mode 100644
index 0000000..1ac34f6
--- /dev/null
+++ b/chrome/app/theme/statusbar_network_bars4_vlowdata.png
diff --git a/chrome/app/theme/statusbar_network_bars5_lowdata.png b/chrome/app/theme/statusbar_network_bars5_lowdata.png
new file mode 100644
index 0000000..a00a902
--- /dev/null
+++ b/chrome/app/theme/statusbar_network_bars5_lowdata.png
diff --git a/chrome/app/theme/statusbar_network_bars5_vlowdata.png b/chrome/app/theme/statusbar_network_bars5_vlowdata.png
new file mode 100644
index 0000000..67a03fa
--- /dev/null
+++ b/chrome/app/theme/statusbar_network_bars5_vlowdata.png
diff --git a/chrome/app/theme/statusbar_network_bars6_lowdata.png b/chrome/app/theme/statusbar_network_bars6_lowdata.png
new file mode 100644
index 0000000..dd002c8
--- /dev/null
+++ b/chrome/app/theme/statusbar_network_bars6_lowdata.png
diff --git a/chrome/app/theme/statusbar_network_bars6_vlowdata.png b/chrome/app/theme/statusbar_network_bars6_vlowdata.png
new file mode 100644
index 0000000..629ab40
--- /dev/null
+++ b/chrome/app/theme/statusbar_network_bars6_vlowdata.png
diff --git a/chrome/app/theme/statusbar_network_bars7_lowdata.png b/chrome/app/theme/statusbar_network_bars7_lowdata.png
new file mode 100644
index 0000000..5ff211d
--- /dev/null
+++ b/chrome/app/theme/statusbar_network_bars7_lowdata.png
diff --git a/chrome/app/theme/statusbar_network_bars7_vlowdata.png b/chrome/app/theme/statusbar_network_bars7_vlowdata.png
new file mode 100644
index 0000000..40839fc
--- /dev/null
+++ b/chrome/app/theme/statusbar_network_bars7_vlowdata.png
diff --git a/chrome/app/theme/statusbar_network_bars8_lowdata.png b/chrome/app/theme/statusbar_network_bars8_lowdata.png
new file mode 100644
index 0000000..21320fa
--- /dev/null
+++ b/chrome/app/theme/statusbar_network_bars8_lowdata.png
diff --git a/chrome/app/theme/statusbar_network_bars8_vlowdata.png b/chrome/app/theme/statusbar_network_bars8_vlowdata.png
new file mode 100644
index 0000000..dff8aeb
--- /dev/null
+++ b/chrome/app/theme/statusbar_network_bars8_vlowdata.png
diff --git a/chrome/app/theme/statusbar_network_bars9_lowdata.png b/chrome/app/theme/statusbar_network_bars9_lowdata.png
new file mode 100644
index 0000000..50b6489
--- /dev/null
+++ b/chrome/app/theme/statusbar_network_bars9_lowdata.png
diff --git a/chrome/app/theme/statusbar_network_bars9_vlowdata.png b/chrome/app/theme/statusbar_network_bars9_vlowdata.png
new file mode 100644
index 0000000..1678f03
--- /dev/null
+++ b/chrome/app/theme/statusbar_network_bars9_vlowdata.png
diff --git a/chrome/app/theme/theme_resources.grd b/chrome/app/theme/theme_resources.grd
index e7d6007..ec967bc 100644
--- a/chrome/app/theme/theme_resources.grd
+++ b/chrome/app/theme/theme_resources.grd
@@ -526,25 +526,45 @@
         <include name="IDR_STATUSBAR_FEEDBACK_PRESSED" file="statusbar_feedback_pressed.png" type="BINDATA" />
         <include name="IDR_STATUSBAR_MENU" file="statusbar_menu.png" type="BINDATA" />
         <include name="IDR_STATUSBAR_NETWORK_3G" file="statusbar_network_3g.png" type="BINDATA" />
+        <include name="IDR_STATUSBAR_NETWORK_3G_LOWDATA" file="statusbar_network_3g_lowdata.png" type="BINDATA" />
+        <include name="IDR_STATUSBAR_NETWORK_3G_VLOWDATA" file="statusbar_network_3g_vlowdata.png" type="BINDATA" />
         <include name="IDR_STATUSBAR_NETWORK_BARS0" file="statusbar_network_bars0.png" type="BINDATA" />
         <include name="IDR_STATUSBAR_NETWORK_BARS1" file="statusbar_network_bars1.png" type="BINDATA" />
         <include name="IDR_STATUSBAR_NETWORK_BARS1_BLACK" file="statusbar_network_bars1b.png" type="BINDATA" />
+        <include name="IDR_STATUSBAR_NETWORK_BARS1_LOWDATA" file="statusbar_network_bars1_lowdata.png" type="BINDATA" />
+        <include name="IDR_STATUSBAR_NETWORK_BARS1_VLOWDATA" file="statusbar_network_bars1_vlowdata.png" type="BINDATA" />
         <include name="IDR_STATUSBAR_NETWORK_BARS2" file="statusbar_network_bars2.png" type="BINDATA" />
         <include name="IDR_STATUSBAR_NETWORK_BARS2_BLACK" file="statusbar_network_bars2b.png" type="BINDATA" />
+        <include name="IDR_STATUSBAR_NETWORK_BARS2_LOWDATA" file="statusbar_network_bars2_lowdata.png" type="BINDATA" />
+        <include name="IDR_STATUSBAR_NETWORK_BARS2_VLOWDATA" file="statusbar_network_bars2_vlowdata.png" type="BINDATA" />
         <include name="IDR_STATUSBAR_NETWORK_BARS3" file="statusbar_network_bars3.png" type="BINDATA" />
         <include name="IDR_STATUSBAR_NETWORK_BARS3_BLACK" file="statusbar_network_bars3b.png" type="BINDATA" />
+        <include name="IDR_STATUSBAR_NETWORK_BARS3_LOWDATA" file="statusbar_network_bars3_lowdata.png" type="BINDATA" />
+        <include name="IDR_STATUSBAR_NETWORK_BARS3_VLOWDATA" file="statusbar_network_bars3_vlowdata.png" type="BINDATA" />
         <include name="IDR_STATUSBAR_NETWORK_BARS4" file="statusbar_network_bars4.png" type="BINDATA" />
         <include name="IDR_STATUSBAR_NETWORK_BARS4_BLACK" file="statusbar_network_bars4b.png" type="BINDATA" />
+        <include name="IDR_STATUSBAR_NETWORK_BARS4_LOWDATA" file="statusbar_network_bars4_lowdata.png" type="BINDATA" />
+        <include name="IDR_STATUSBAR_NETWORK_BARS4_VLOWDATA" file="statusbar_network_bars4_vlowdata.png" type="BINDATA" />
         <include name="IDR_STATUSBAR_NETWORK_BARS5" file="statusbar_network_bars5.png" type="BINDATA" />
         <include name="IDR_STATUSBAR_NETWORK_BARS5_BLACK" file="statusbar_network_bars5b.png" type="BINDATA" />
+        <include name="IDR_STATUSBAR_NETWORK_BARS5_LOWDATA" file="statusbar_network_bars5_lowdata.png" type="BINDATA" />
+        <include name="IDR_STATUSBAR_NETWORK_BARS5_VLOWDATA" file="statusbar_network_bars5_vlowdata.png" type="BINDATA" />
         <include name="IDR_STATUSBAR_NETWORK_BARS6" file="statusbar_network_bars6.png" type="BINDATA" />
         <include name="IDR_STATUSBAR_NETWORK_BARS6_BLACK" file="statusbar_network_bars6b.png" type="BINDATA" />
+        <include name="IDR_STATUSBAR_NETWORK_BARS6_LOWDATA" file="statusbar_network_bars6_lowdata.png" type="BINDATA" />
+        <include name="IDR_STATUSBAR_NETWORK_BARS6_VLOWDATA" file="statusbar_network_bars6_vlowdata.png" type="BINDATA" />
         <include name="IDR_STATUSBAR_NETWORK_BARS7" file="statusbar_network_bars7.png" type="BINDATA" />
         <include name="IDR_STATUSBAR_NETWORK_BARS7_BLACK" file="statusbar_network_bars7b.png" type="BINDATA" />
+        <include name="IDR_STATUSBAR_NETWORK_BARS7_LOWDATA" file="statusbar_network_bars7_lowdata.png" type="BINDATA" />
+        <include name="IDR_STATUSBAR_NETWORK_BARS7_VLOWDATA" file="statusbar_network_bars7_vlowdata.png" type="BINDATA" />
         <include name="IDR_STATUSBAR_NETWORK_BARS8" file="statusbar_network_bars8.png" type="BINDATA" />
         <include name="IDR_STATUSBAR_NETWORK_BARS8_BLACK" file="statusbar_network_bars8b.png" type="BINDATA" />
+        <include name="IDR_STATUSBAR_NETWORK_BARS8_LOWDATA" file="statusbar_network_bars8_lowdata.png" type="BINDATA" />
+        <include name="IDR_STATUSBAR_NETWORK_BARS8_VLOWDATA" file="statusbar_network_bars8_vlowdata.png" type="BINDATA" />
         <include name="IDR_STATUSBAR_NETWORK_BARS9" file="statusbar_network_bars9.png" type="BINDATA" />
         <include name="IDR_STATUSBAR_NETWORK_BARS9_BLACK" file="statusbar_network_bars9b.png" type="BINDATA" />
+        <include name="IDR_STATUSBAR_NETWORK_BARS9_LOWDATA" file="statusbar_network_bars9_lowdata.png" type="BINDATA" />
+        <include name="IDR_STATUSBAR_NETWORK_BARS9_VLOWDATA" file="statusbar_network_bars9_vlowdata.png" type="BINDATA" />
         <include name="IDR_STATUSBAR_NETWORK_BARS_PRESSED" file="statusbar_network_bars_pressed.png" type="BINDATA" />
         <include name="IDR_STATUSBAR_NETWORK_DISCONNECTED" file="statusbar_network_disconnected.png" type="BINDATA" />
         <include name="IDR_STATUSBAR_NETWORK_EDGE" file="statusbar_network_edge.png" type="BINDATA" />
diff --git a/chrome/browser/chromeos/cros/network_library.cc b/chrome/browser/chromeos/cros/network_library.cc
index a5a53df..5e43c89 100644
--- a/chrome/browser/chromeos/cros/network_library.cc
+++ b/chrome/browser/chromeos/cros/network_library.cc
@@ -264,6 +264,35 @@ bool CellularNetwork::is_gsm() const {
       network_technology_ != NETWORK_TECHNOLOGY_UNKNOWN;
 }
 
+CellularNetwork::DataLeft CellularNetwork::data_left() const {
+  if (data_plans_.empty())
+    return DATA_NORMAL;
+  CellularDataPlan plan = data_plans_[0];
+  if (plan.plan_type == CELLULAR_DATA_PLAN_UNLIMITED) {
+    int64 remaining = plan.plan_end_time - plan.update_time;
+    if (remaining <= 0)
+      return DATA_NONE;
+    else if (remaining <= kCellularDataVeryLowSecs)
+      return DATA_VERY_LOW;
+    else if (remaining <= kCellularDataLowSecs)
+      return DATA_LOW;
+    else
+      return DATA_NORMAL;
+  } else if (plan.plan_type == CELLULAR_DATA_PLAN_METERED_PAID ||
+             plan.plan_type == CELLULAR_DATA_PLAN_METERED_BASE) {
+    int64 remaining = plan.plan_data_bytes - plan.data_bytes_used;
+    if (remaining <= 0)
+      return DATA_NONE;
+    else if (remaining <= kCellularDataVeryLowBytes)
+      return DATA_VERY_LOW;
+    else if (remaining <= kCellularDataLowBytes)
+      return DATA_LOW;
+    else
+      return DATA_NORMAL;
+  }
+  return DATA_NORMAL;
+}
+
 std::string CellularNetwork::GetNetworkTechnologyString() const {
   // No need to localize these cellular technology abbreviations.
   switch (network_technology_) {
@@ -996,7 +1025,9 @@ class NetworkLibraryImpl : public NetworkLibrary  {
     test_plan.plan_type = CELLULAR_DATA_PLAN_METERED_PAID;
     test_plan.update_time = base::Time::Now().ToInternalValue() /
         base::Time::kMicrosecondsPerSecond;
-    cellular_data_plans_.push_back(test_plan);
+    chromeos::CellularDataPlanList test_plans;
+    test_plans.push_back(test_plan);
+    cellular_.SetDataPlans(test_plans);
   }
 
   void UpdateSystemInfo() {
@@ -1055,9 +1086,7 @@ class NetworkLibraryImpl : public NetworkLibrary  {
   }
 
   void NotifyCellularDataPlanChanged() {
-    FOR_EACH_OBSERVER(Observer, observers_,
-        CellularDataPlanChanged(cellular_.service_path(),
-                                cellular_data_plans_));
+    FOR_EACH_OBSERVER(Observer, observers_, CellularDataPlanChanged(this));
   }
 
   void UpdateNetworkStatus() {
@@ -1113,7 +1142,7 @@ class NetworkLibraryImpl : public NetworkLibrary  {
   }
 
   void UpdateCellularDataPlan(const CellularDataPlanList& data_plans) {
-    cellular_data_plans_ = data_plans;
+    cellular_.SetDataPlans(data_plans);
     NotifyCellularDataPlanChanged();
   }
 
@@ -1143,9 +1172,6 @@ class NetworkLibraryImpl : public NetworkLibrary  {
   // The current connected (or connecting) cellular network.
   CellularNetwork cellular_;
 
-  // The data plan for the current cellular network.
-  CellularDataPlanList cellular_data_plans_;
-
   // The remembered cellular networks.
   CellularNetworkVector remembered_cellular_networks_;
 
diff --git a/chrome/browser/chromeos/cros/network_library.h b/chrome/browser/chromeos/cros/network_library.h
index 7f7a7b1..4a672d5 100644
--- a/chrome/browser/chromeos/cros/network_library.h
+++ b/chrome/browser/chromeos/cros/network_library.h
@@ -17,6 +17,18 @@
 
 namespace chromeos {
 
+// Cellular network is considered low data when less than 60 minues.
+static const int kCellularDataLowSecs = 60 * 60;
+
+// Cellular network is considered low data when less than 30 minues.
+static const int kCellularDataVeryLowSecs = 30 * 60;
+
+// Cellular network is considered low data when less than 100MB.
+static const int kCellularDataLowBytes = 100 * 1024 * 1024;
+
+// Cellular network is considered very low data when less than 50MB.
+static const int kCellularDataVeryLowBytes = 50 * 1024 * 1024;
+
 class Network {
  public:
   const std::string& service_path() const { return service_path_; }
@@ -118,6 +130,13 @@ class WirelessNetwork : public Network {
 
 class CellularNetwork : public WirelessNetwork {
  public:
+  enum DataLeft {
+    DATA_NORMAL,
+    DATA_LOW,
+    DATA_VERY_LOW,
+    DATA_NONE
+  };
+
   CellularNetwork();
   explicit CellularNetwork(const ServiceInfo& service)
       : WirelessNetwork() {
@@ -150,6 +169,7 @@ class CellularNetwork : public WirelessNetwork {
   const std::string& last_update() const { return last_update_; }
   const unsigned int prl_version() const { return prl_version_; }
   bool is_gsm() const;
+  DataLeft data_left() const;
 
   // WirelessNetwork overrides.
   virtual void Clear();
@@ -159,7 +179,7 @@ class CellularNetwork : public WirelessNetwork {
     return data_plans_;
   }
 
-  void SetDataPlans(CellularDataPlanList& data_plans) {
+  void SetDataPlans(const CellularDataPlanList& data_plans) {
     data_plans_ = data_plans;
   }
   // Return a string representation of network technology.
@@ -303,8 +323,7 @@ class NetworkLibrary {
     // Called when the network has changed. (wifi networks, and ethernet)
     virtual void NetworkChanged(NetworkLibrary* obj) = 0;
     // Called when the cellular data plan has changed.
-    virtual void CellularDataPlanChanged(const std::string& service_path,
-                                         const CellularDataPlanList& plans) {}
+    virtual void CellularDataPlanChanged(NetworkLibrary* obj) {}
   };
 
   virtual ~NetworkLibrary() {}
@@ -388,8 +407,7 @@ class NetworkLibrary {
 
   // Initiates cellular data plan refresh. Plan data will be passed through
   // Network::Observer::CellularDataPlanChanged callback.
-  virtual void RefreshCellularDataPlans(
-      const CellularNetwork& network) = 0;
+  virtual void RefreshCellularDataPlans(const CellularNetwork& network) = 0;
 
   // Disconnect from the specified wireless (either cellular or wifi) network.
   virtual void DisconnectFromWirelessNetwork(
diff --git a/chrome/browser/chromeos/dom_ui/internet_options_handler.cc b/chrome/browser/chromeos/dom_ui/internet_options_handler.cc
index c98733b..b9e6fdc 100644
--- a/chrome/browser/chromeos/dom_ui/internet_options_handler.cc
+++ b/chrome/browser/chromeos/dom_ui/internet_options_handler.cc
@@ -23,7 +23,6 @@
 #include "chrome/browser/browser_window.h"
 #include "chrome/browser/chromeos/cros/cros_library.h"
 #include "chrome/browser/chromeos/status/network_menu.h"
-#include "chrome/browser/chromeos/network_message_observer.h"
 #include "chrome/browser/dom_ui/dom_ui_util.h"
 #include "chrome/browser/tab_contents/tab_contents.h"
 #include "chrome/browser/tab_contents/tab_contents_view.h"
@@ -326,10 +325,11 @@ void InternetOptionsHandler::NetworkChanged(chromeos::NetworkLibrary* cros) {
 }
 
 void InternetOptionsHandler::CellularDataPlanChanged(
-    const std::string& service_path,
-    const chromeos::CellularDataPlanList& plans) {
+    chromeos::NetworkLibrary* obj) {
   if (!dom_ui_)
     return;
+  const chromeos::CellularNetwork cellular = obj->cellular_network();
+  const chromeos::CellularDataPlanList& plans = cellular.GetDataPlans();
   DictionaryValue connection_plans;
   ListValue* plan_list = new ListValue();
   for (chromeos::CellularDataPlanList::const_iterator iter = plans.begin();
@@ -337,7 +337,7 @@ void InternetOptionsHandler::CellularDataPlanChanged(
        ++iter) {
     plan_list->Append(CellularDataPlanToDictionary(*iter));
   }
-  connection_plans.SetString("servicePath", service_path);
+  connection_plans.SetString("servicePath", cellular.service_path());
   connection_plans.Set("plans", plan_list);
   dom_ui_->CallJavascriptFunction(
       L"options.InternetOptions.updateCellularPlans", connection_plans);
@@ -416,7 +416,7 @@ string16 InternetOptionsHandler::GetPlanWarning(
     if (time_left <= 0) {
       return l10n_util::GetStringFUTF16(
           IDS_NETWORK_MINUTES_REMAINING_MESSAGE, ASCIIToUTF16("0"));
-    } else if (time_left <= chromeos::kDataNearingExpirationSecs) {
+    } else if (time_left <= chromeos::kCellularDataVeryLowSecs) {
       return l10n_util::GetStringFUTF16(
           IDS_NETWORK_MINUTES_UNTIL_EXPIRATION_MESSAGE,
           UTF8ToUTF16(base::Int64ToString(time_left/60)));
@@ -428,10 +428,10 @@ string16 InternetOptionsHandler::GetPlanWarning(
     if (bytes_remaining <= 0) {
       return l10n_util::GetStringFUTF16(
           IDS_NETWORK_DATA_REMAINING_MESSAGE, ASCIIToUTF16("0"));
-    } else if (bytes_remaining <= chromeos::kDataLowDataBytes) {
+    } else if (bytes_remaining <= chromeos::kCellularDataVeryLowBytes) {
       return l10n_util::GetStringFUTF16(
           IDS_NETWORK_DATA_REMAINING_MESSAGE,
-          UTF8ToUTF16(base::Int64ToString(bytes_remaining/1024)));
+          UTF8ToUTF16(base::Int64ToString(bytes_remaining/(1024*1024))));
     }
   }
   return string16();
diff --git a/chrome/browser/chromeos/dom_ui/internet_options_handler.h b/chrome/browser/chromeos/dom_ui/internet_options_handler.h
index 658791d..f960121 100644
--- a/chrome/browser/chromeos/dom_ui/internet_options_handler.h
+++ b/chrome/browser/chromeos/dom_ui/internet_options_handler.h
@@ -30,8 +30,7 @@ class InternetOptionsHandler : public OptionsPageUIHandler,
 
   // NetworkLibrary::Observer implementation.
   virtual void NetworkChanged(chromeos::NetworkLibrary* obj);
-  virtual void CellularDataPlanChanged(const std::string& service_path,
-      const chromeos::CellularDataPlanList& plans);
+  virtual void CellularDataPlanChanged(chromeos::NetworkLibrary* obj);
 
  private:
   // Passes data needed to show details overlay for network.
diff --git a/chrome/browser/chromeos/network_message_observer.cc b/chrome/browser/chromeos/network_message_observer.cc
index c4df580..438f433 100644
--- a/chrome/browser/chromeos/network_message_observer.cc
+++ b/chrome/browser/chromeos/network_message_observer.cc
@@ -143,15 +143,16 @@ void NetworkMessageObserver::NetworkChanged(NetworkLibrary* obj) {
     CreateModalPopup(view);
 }
 
-void NetworkMessageObserver::CellularDataPlanChanged(
-    const std::string& service_path, const CellularDataPlanList& plans) {
+void NetworkMessageObserver::CellularDataPlanChanged(NetworkLibrary* obj) {
+  const CellularNetwork& cellular = obj->cellular_network();
   // Active plan is the first one in the list. Use empty one if none found.
+  const CellularDataPlanList& plans = cellular.GetDataPlans();
   CellularDataPlan plan = plans.empty() ? CellularDataPlan() : plans[0];
   // If connected cellular network changed, or data plan is different, then
   // it's a new network. Then hide all previous notifications.
   bool new_plan = false;
-  if (service_path != cellular_service_path_) {
-    cellular_service_path_ = service_path;
+  if (cellular.service_path() != cellular_service_path_) {
+    cellular_service_path_ = cellular.service_path();
     new_plan = true;
   } else if (plan.plan_name != cellular_data_plan_.plan_name ||
       plan.plan_type != cellular_data_plan_.plan_type) {
@@ -178,50 +179,32 @@ void NetworkMessageObserver::CellularDataPlanChanged(
     }
   }
 
-  if (plan.plan_type == CELLULAR_DATA_PLAN_UNLIMITED) {
-    // Time based plan. Show nearing expiration and data expiration.
-    int64 time_left = plan.plan_end_time - plan.update_time;
-    if (time_left <= 0) {
+  if (plan.plan_type != CELLULAR_DATA_PLAN_UNKNOWN) {
+    if (cellular.data_left() == CellularNetwork::DATA_NONE) {
       notification_low_data_.Hide();
+      int message = plan.plan_type == CELLULAR_DATA_PLAN_UNLIMITED ?
+          IDS_NETWORK_MINUTES_REMAINING_MESSAGE :
+          IDS_NETWORK_DATA_REMAINING_MESSAGE;
       notification_no_data_.Show(l10n_util::GetStringFUTF16(
-          IDS_NETWORK_MINUTES_REMAINING_MESSAGE, ASCIIToUTF16("0")),
+          message, ASCIIToUTF16("0")),
           l10n_util::GetStringUTF16(IDS_NETWORK_PURCHASE_MORE_MESSAGE),
           NewCallback(this, &NetworkMessageObserver::MobileSetup),
           false, false);
-    } else if (time_left <= kDataNearingExpirationSecs) {
+    } else if (cellular.data_left() == CellularNetwork::DATA_VERY_LOW) {
       notification_no_data_.Hide();
+      int message = plan.plan_type == CELLULAR_DATA_PLAN_UNLIMITED ?
+          IDS_NETWORK_MINUTES_REMAINING_MESSAGE :
+          IDS_NETWORK_DATA_REMAINING_MESSAGE;
+      int64 remaining = plan.plan_type == CELLULAR_DATA_PLAN_UNLIMITED ?
+          (plan.plan_end_time - plan.update_time) / 60 :
+          (plan.plan_data_bytes - plan.data_bytes_used) / (1024 * 1024);
       notification_low_data_.Show(l10n_util::GetStringFUTF16(
-          IDS_NETWORK_MINUTES_UNTIL_EXPIRATION_MESSAGE,
-          UTF8ToUTF16(base::Int64ToString(time_left/60))),
+          message, UTF8ToUTF16(base::Int64ToString(remaining))),
           l10n_util::GetStringUTF16(IDS_NETWORK_PURCHASE_MORE_MESSAGE),
           NewCallback(this, &NetworkMessageObserver::MobileSetup),
           false, false);
     } else {
-      // Got more data, so hide notifications.
-      notification_low_data_.Hide();
-      notification_no_data_.Hide();
-    }
-  } else if (plan.plan_type == CELLULAR_DATA_PLAN_METERED_PAID ||
-      plan.plan_type == CELLULAR_DATA_PLAN_METERED_BASE) {
-    // Metered plan. Show low data and out of data.
-    int64 bytes_remaining = plan.plan_data_bytes - plan.data_bytes_used;
-    if (bytes_remaining <= 0) {
-      notification_low_data_.Hide();
-      notification_no_data_.Show(l10n_util::GetStringFUTF16(
-          IDS_NETWORK_DATA_REMAINING_MESSAGE, ASCIIToUTF16("0")),
-          l10n_util::GetStringUTF16(IDS_NETWORK_PURCHASE_MORE_MESSAGE),
-          NewCallback(this, &NetworkMessageObserver::MobileSetup),
-          false, false);
-    } else if (bytes_remaining <= kDataLowDataBytes) {
-      notification_no_data_.Hide();
-      notification_low_data_.Show(l10n_util::GetStringFUTF16(
-          IDS_NETWORK_DATA_REMAINING_MESSAGE,
-          UTF8ToUTF16(base::Int64ToString(bytes_remaining/1024))),
-          l10n_util::GetStringUTF16(IDS_NETWORK_PURCHASE_MORE_MESSAGE),
-          NewCallback(this, &NetworkMessageObserver::MobileSetup),
-          false, false);
-    } else {
-      // Got more data, so hide notifications.
+      // Got data, so hide notifications.
       notification_low_data_.Hide();
       notification_no_data_.Hide();
     }
diff --git a/chrome/browser/chromeos/network_message_observer.h b/chrome/browser/chromeos/network_message_observer.h
index c92f6e2..8cf603a 100644
--- a/chrome/browser/chromeos/network_message_observer.h
+++ b/chrome/browser/chromeos/network_message_observer.h
@@ -20,12 +20,6 @@ class WindowDelegate;
 
 namespace chromeos {
 
-// We show nearing expiration notification when less than 30 minutes.
-static const int kDataNearingExpirationSecs = 30 * 60;
-
-// We show low data notification when less than 50MB.
-static const int kDataLowDataBytes = 50 * 1024;
-
 // The network message observer displays a system notification for network
 // messages.
 
@@ -42,8 +36,7 @@ class NetworkMessageObserver : public NetworkLibrary::Observer {
 
   // NetworkLibrary::Observer implementation.
   virtual void NetworkChanged(NetworkLibrary* obj);
-  virtual void CellularDataPlanChanged(const std::string& service_path,
-                                       const CellularDataPlanList& plans);
+  virtual void CellularDataPlanChanged(NetworkLibrary* obj);
 
   bool initialized_;
   // Wifi networks by service path.
diff --git a/chrome/browser/chromeos/status/network_menu.cc b/chrome/browser/chromeos/status/network_menu.cc
index d23e7ff..ad9caf2 100644
--- a/chrome/browser/chromeos/status/network_menu.cc
+++ b/chrome/browser/chromeos/status/network_menu.cc
@@ -45,6 +45,57 @@ namespace chromeos {
 // static
 const int NetworkMenu::kNumWifiImages = 9;
 
+// NOTE: Use an array rather than just calculating a resource number to avoid
+// creating implicit ordering dependencies on the resource values.
+// static
+const int NetworkMenu::kBarsImages[kNumWifiImages] = {
+  IDR_STATUSBAR_NETWORK_BARS1,
+  IDR_STATUSBAR_NETWORK_BARS2,
+  IDR_STATUSBAR_NETWORK_BARS3,
+  IDR_STATUSBAR_NETWORK_BARS4,
+  IDR_STATUSBAR_NETWORK_BARS5,
+  IDR_STATUSBAR_NETWORK_BARS6,
+  IDR_STATUSBAR_NETWORK_BARS7,
+  IDR_STATUSBAR_NETWORK_BARS8,
+  IDR_STATUSBAR_NETWORK_BARS9,
+};
+// static
+const int NetworkMenu::kBarsImagesBlack[kNumWifiImages] = {
+  IDR_STATUSBAR_NETWORK_BARS1_BLACK,
+  IDR_STATUSBAR_NETWORK_BARS2_BLACK,
+  IDR_STATUSBAR_NETWORK_BARS3_BLACK,
+  IDR_STATUSBAR_NETWORK_BARS4_BLACK,
+  IDR_STATUSBAR_NETWORK_BARS5_BLACK,
+  IDR_STATUSBAR_NETWORK_BARS6_BLACK,
+  IDR_STATUSBAR_NETWORK_BARS7_BLACK,
+  IDR_STATUSBAR_NETWORK_BARS8_BLACK,
+  IDR_STATUSBAR_NETWORK_BARS9_BLACK,
+};
+// static
+const int NetworkMenu::kBarsImagesLowData[kNumWifiImages] = {
+  IDR_STATUSBAR_NETWORK_BARS1_LOWDATA,
+  IDR_STATUSBAR_NETWORK_BARS2_LOWDATA,
+  IDR_STATUSBAR_NETWORK_BARS3_LOWDATA,
+  IDR_STATUSBAR_NETWORK_BARS4_LOWDATA,
+  IDR_STATUSBAR_NETWORK_BARS5_LOWDATA,
+  IDR_STATUSBAR_NETWORK_BARS6_LOWDATA,
+  IDR_STATUSBAR_NETWORK_BARS7_LOWDATA,
+  IDR_STATUSBAR_NETWORK_BARS8_LOWDATA,
+  IDR_STATUSBAR_NETWORK_BARS9_LOWDATA,
+};
+// static
+const int NetworkMenu::kBarsImagesVLowData[kNumWifiImages] = {
+  IDR_STATUSBAR_NETWORK_BARS1_VLOWDATA,
+  IDR_STATUSBAR_NETWORK_BARS2_VLOWDATA,
+  IDR_STATUSBAR_NETWORK_BARS3_VLOWDATA,
+  IDR_STATUSBAR_NETWORK_BARS4_VLOWDATA,
+  IDR_STATUSBAR_NETWORK_BARS5_VLOWDATA,
+  IDR_STATUSBAR_NETWORK_BARS6_VLOWDATA,
+  IDR_STATUSBAR_NETWORK_BARS7_VLOWDATA,
+  IDR_STATUSBAR_NETWORK_BARS8_VLOWDATA,
+  IDR_STATUSBAR_NETWORK_BARS9_VLOWDATA,
+};
+
 NetworkMenu::NetworkMenu()
     : min_width_(-1) {
   network_menu_.reset(NetworkMenuUI::CreateMenu2(this));
@@ -320,36 +371,32 @@ void NetworkMenu::UpdateMenu() {
 // static
 SkBitmap NetworkMenu::IconForNetworkStrength(int strength, bool black) {
   // Compose wifi icon by superimposing various icons.
-  // NOTE: Use an array rather than just calculating a resource number to avoid
-  // creating implicit ordering dependencies on the resource values.
-  static const int kBarsImages[kNumWifiImages] = {
-    IDR_STATUSBAR_NETWORK_BARS1,
-    IDR_STATUSBAR_NETWORK_BARS2,
-    IDR_STATUSBAR_NETWORK_BARS3,
-    IDR_STATUSBAR_NETWORK_BARS4,
-    IDR_STATUSBAR_NETWORK_BARS5,
-    IDR_STATUSBAR_NETWORK_BARS6,
-    IDR_STATUSBAR_NETWORK_BARS7,
-    IDR_STATUSBAR_NETWORK_BARS8,
-    IDR_STATUSBAR_NETWORK_BARS9,
-  };
-  static const int kBarsBlackImages[kNumWifiImages] = {
-    IDR_STATUSBAR_NETWORK_BARS1_BLACK,
-    IDR_STATUSBAR_NETWORK_BARS2_BLACK,
-    IDR_STATUSBAR_NETWORK_BARS3_BLACK,
-    IDR_STATUSBAR_NETWORK_BARS4_BLACK,
-    IDR_STATUSBAR_NETWORK_BARS5_BLACK,
-    IDR_STATUSBAR_NETWORK_BARS6_BLACK,
-    IDR_STATUSBAR_NETWORK_BARS7_BLACK,
-    IDR_STATUSBAR_NETWORK_BARS8_BLACK,
-    IDR_STATUSBAR_NETWORK_BARS9_BLACK,
-  };
-
   int index = static_cast<int>(strength / 100.0 *
       nextafter(static_cast<float>(kNumWifiImages), 0));
   index = std::max(std::min(index, kNumWifiImages - 1), 0);
-  return *ResourceBundle::GetSharedInstance().GetBitmapNamed(
-      black ? kBarsBlackImages[index] : kBarsImages[index]);
+  const int* images = black ? kBarsImagesBlack : kBarsImages;
+  return *ResourceBundle::GetSharedInstance().GetBitmapNamed(images[index]);
+}
+
+SkBitmap NetworkMenu::IconForNetworkStrength(CellularNetwork cellular) {
+  // Compose wifi icon by superimposing various icons.
+  int index = static_cast<int>(cellular.strength() / 100.0 *
+      nextafter(static_cast<float>(kNumWifiImages), 0));
+  index = std::max(std::min(index, kNumWifiImages - 1), 0);
+  const int* images;
+  switch (cellular.data_left()) {
+    case CellularNetwork::DATA_NONE:
+    case CellularNetwork::DATA_VERY_LOW:
+      images = kBarsImagesVLowData;
+      break;
+    case CellularNetwork::DATA_LOW:
+      images = kBarsImagesLowData;
+      break;
+    case CellularNetwork::DATA_NORMAL:
+      images = kBarsImages;
+      break;
+  }
+  return *ResourceBundle::GetSharedInstance().GetBitmapNamed(images[index]);
 }
 
 // static
diff --git a/chrome/browser/chromeos/status/network_menu.h b/chrome/browser/chromeos/status/network_menu.h
index 8419cfe..3c8d322 100644
--- a/chrome/browser/chromeos/status/network_menu.h
+++ b/chrome/browser/chromeos/status/network_menu.h
@@ -114,6 +114,10 @@ class NetworkMenu : public views::ViewMenuDelegate,
   // on a light background or a white icon for display on a dark background.
   static SkBitmap IconForNetworkStrength(int strength, bool black);
 
+  // Returns the Icon for a network strength for CellularNetwork |cellular|.
+  // This returns different colored bars depending on cellular data left.
+  static SkBitmap IconForNetworkStrength(CellularNetwork cellular);
+
   // This method will convert the |icon| bitmap to the correct size for display.
   // If the |badge| icon is not empty, it will draw that on top of the icon.
   static SkBitmap IconForDisplay(SkBitmap icon, SkBitmap badge);
@@ -190,6 +194,12 @@ class NetworkMenu : public views::ViewMenuDelegate,
   // The number of wifi strength images.
   static const int kNumWifiImages;
 
+  // Bars image resources.
+  static const int kBarsImages[];
+  static const int kBarsImagesBlack[];
+  static const int kBarsImagesLowData[];
+  static const int kBarsImagesVLowData[];
+
   // Our menu items.
   MenuItemVector menu_items_;
 
diff --git a/chrome/browser/chromeos/status/network_menu_button.cc b/chrome/browser/chromeos/status/network_menu_button.cc
index c16383e..3d43f18 100644
--- a/chrome/browser/chromeos/status/network_menu_button.cc
+++ b/chrome/browser/chromeos/status/network_menu_button.cc
@@ -120,11 +120,16 @@ void NetworkMenuButton::NetworkChanged(NetworkLibrary* cros) {
             IDS_STATUSBAR_NETWORK_CONNECTED_TOOLTIP,
             UTF8ToWide(cros->wifi_network().name())));
       } else if (cros->cellular_connected()) {
-        SetIcon(IconForNetworkStrength(
-            cros->cellular_network().strength(), false));
+        const CellularNetwork& cellular = cros->cellular_network();
+        if (cellular.data_left() == CellularNetwork::DATA_NONE) {
+          // If no data, then we show 0 bars.
+          SetIcon(*rb.GetBitmapNamed(IDR_STATUSBAR_NETWORK_BARS0));
+        } else {
+          SetIcon(IconForNetworkStrength(cellular));
+        }
         SetTooltipText(l10n_util::GetStringF(
             IDS_STATUSBAR_NETWORK_CONNECTED_TOOLTIP,
-            UTF8ToWide(cros->cellular_network().name())));
+            UTF8ToWide(cellular.name())));
       } else {
         SetIcon(*rb.GetBitmapNamed(IDR_STATUSBAR_NETWORK_BARS0));
         SetTooltipText(l10n_util::GetString(
@@ -136,9 +141,20 @@ void NetworkMenuButton::NetworkChanged(NetworkLibrary* cros) {
       SetBadge(*rb.GetBitmapNamed(IDR_STATUSBAR_NETWORK_DISCONNECTED));
     } else if (!cros->ethernet_connected() && !cros->wifi_connected() &&
         (cros->cellular_connecting() || cros->cellular_connected())) {
-      // TODO(chocobo): Check cellular network 3g/edge.
-      SetBadge(*rb.GetBitmapNamed(IDR_STATUSBAR_NETWORK_3G));
-//      SetBadge(*rb.GetBitmapNamed(IDR_STATUSBAR_NETWORK_EDGE));
+      int id;
+      switch (cros->cellular_network().data_left()) {
+        case CellularNetwork::DATA_NONE:
+        case CellularNetwork::DATA_VERY_LOW:
+          id = IDR_STATUSBAR_NETWORK_3G_VLOWDATA;
+          break;
+        case CellularNetwork::DATA_LOW:
+          id = IDR_STATUSBAR_NETWORK_3G_LOWDATA;
+          break;
+        case CellularNetwork::DATA_NORMAL:
+          id = IDR_STATUSBAR_NETWORK_3G;
+          break;
+      }
+      SetBadge(*rb.GetBitmapNamed(id));
     } else {
       SetBadge(SkBitmap());
     }
@@ -153,6 +169,11 @@ void NetworkMenuButton::NetworkChanged(NetworkLibrary* cros) {
   UpdateMenu();
 }
 
+void NetworkMenuButton::CellularDataPlanChanged(NetworkLibrary* cros) {
+  // Call NetworkChanged which will update the icon.
+  NetworkChanged(cros);
+}
+
 void NetworkMenuButton::SetBadge(const SkBitmap& badge) {
   badge_ = badge;
 }
diff --git a/chrome/browser/chromeos/status/network_menu_button.h b/chrome/browser/chromeos/status/network_menu_button.h
index bb5ff96..79c5cdb 100644
--- a/chrome/browser/chromeos/status/network_menu_button.h
+++ b/chrome/browser/chromeos/status/network_menu_button.h
@@ -56,6 +56,7 @@ class NetworkMenuButton : public StatusAreaButton,
 
   // NetworkLibrary::Observer implementation.
   virtual void NetworkChanged(NetworkLibrary* obj);
+  virtual void CellularDataPlanChanged(NetworkLibrary* obj);
 
   // Sets the badge icon.
   void SetBadge(const SkBitmap& badge);