Add UMA stats for GPU feature disable checkbox.

BUG=226874
TEST=
Review URL: https://codereview.chromium.org/14113002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@193715 0039d316-1c4b-4281-b951-d872f2087c98

4 files changed, 40 insertions, 0 deletions

diff --git a/chrome/browser/gpu/gpu_mode_manager.cc b/chrome/browser/gpu/gpu_mode_manager.cc
index f56cb76..bb18baf 100644
--- a/chrome/browser/gpu/gpu_mode_manager.cc
+++ b/chrome/browser/gpu/gpu_mode_manager.cc
@@ -5,16 +5,38 @@
 #include "chrome/browser/gpu/gpu_mode_manager.h"
 
 #include "base/bind.h"
+#include "base/metrics/histogram.h"
 #include "base/prefs/pref_registry_simple.h"
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/common/pref_names.h"
 #include "content/public/browser/gpu_data_manager.h"
+#include "content/public/browser/user_metrics.h"
+
+using content::UserMetricsAction;
+
+namespace {
+
+bool GetPreviousGpuModePref() {
+  PrefService* service = g_browser_process->local_state();
+  DCHECK(service);
+  return service->GetBoolean(prefs::kHardwareAccelerationModePrevious);
+}
+
+void SetPreviousGpuModePref(bool enabled) {
+  PrefService* service = g_browser_process->local_state();
+  DCHECK(service);
+  service->SetBoolean(prefs::kHardwareAccelerationModePrevious, enabled);
+}
+
+}  // namespace anonymous
 
 // static
 void GpuModeManager::RegisterPrefs(PrefRegistrySimple* registry) {
   registry->RegisterBooleanPref(
       prefs::kHardwareAccelerationModeEnabled, true);
+  registry->RegisterBooleanPref(
+      prefs::kHardwareAccelerationModePrevious, true);
 }
 
 GpuModeManager::GpuModeManager()
@@ -28,6 +50,15 @@ GpuModeManager::GpuModeManager()
         base::Bind(&base::DoNothing));
 
     initial_gpu_mode_pref_ = IsGpuModePrefEnabled();
+    bool previous_gpu_mode_pref = GetPreviousGpuModePref();
+    SetPreviousGpuModePref(initial_gpu_mode_pref_);
+
+    UMA_HISTOGRAM_BOOLEAN("GPU.HardwareAccelerationModeEnabled",
+                          initial_gpu_mode_pref_);
+    if (previous_gpu_mode_pref && !initial_gpu_mode_pref_)
+      content::RecordAction(UserMetricsAction("GpuAccelerationDisabled"));
+    if (!previous_gpu_mode_pref && initial_gpu_mode_pref_)
+      content::RecordAction(UserMetricsAction("GpuAccelerationEnabled"));
 
     if (!initial_gpu_mode_pref_) {
       content::GpuDataManager* gpu_data_manager =
diff --git a/chrome/common/pref_names.cc b/chrome/common/pref_names.cc
index 2df570f..262084e 100644
--- a/chrome/common/pref_names.cc
+++ b/chrome/common/pref_names.cc
@@ -2184,6 +2184,10 @@ const char kBackgroundModeEnabled[] = "background_mode.enabled";
 const char kHardwareAccelerationModeEnabled[] =
   "hardware_acceleration_mode.enabled";
 
+// Hardware acceleration mode from previous browser launch.
+const char kHardwareAccelerationModePrevious[] =
+  "hardware_acceleration_mode_previous";
+
 // List of protocol handlers.
 const char kRegisteredProtocolHandlers[] =
   "custom_handlers.registered_protocol_handlers";
diff --git a/chrome/common/pref_names.h b/chrome/common/pref_names.h
index 2e466cb..439547f 100644
--- a/chrome/common/pref_names.h
+++ b/chrome/common/pref_names.h
@@ -788,6 +788,7 @@ extern const char kUserCreatedLoginItem[];
 extern const char kUserRemovedLoginItem[];
 extern const char kBackgroundModeEnabled[];
 extern const char kHardwareAccelerationModeEnabled[];
+extern const char kHardwareAccelerationModePrevious[];
 
 extern const char kDevicePolicyRefreshRate[];
 extern const char kUserPolicyRefreshRate[];
diff --git a/tools/metrics/actions/chromeactions.txt b/tools/metrics/actions/chromeactions.txt
index 825ff2a..e2b7aeb 100644
--- a/tools/metrics/actions/chromeactions.txt
+++ b/tools/metrics/actions/chromeactions.txt
@@ -250,10 +250,12 @@
 0x1f885e1523585d6f	ClearBrowsingData_MaskContainsUnprotectedWeb
 0x511e8366cdda3890	ClearBrowsingData_Passwords
 0x3db76495a0acc98c	ClearBrowsingData_ServerBoundCerts
+0xdaaff0c5b7682b18	ClearBrowsingData_ShaderCache
 0x6d69a061f7adf595	ClearBrowsingData_ShowDlg
 0x9fd631c62234969a	ClearSelection
 0x49c37636ddeb5a10	ClearSiteDataOnExitDisabled
 0xf63362e0c7d7420d	ClearSiteDataOnExitEnabled
+0xdf8129e4f853f264	ClickDisableGpuAcceleration
 0xf2c974774a0fd57e	ClickToPlay_AllowAlways
 0x3589e51b0b1bf730	ClickToPlay_Dismiss_Infobar
 0xe1b2d67ea37c5ba0	ClickToPlay_InfobarShown
@@ -398,6 +400,8 @@
 0xc06f4ecf7cf01b27	GoogleNow.ButtonClicked1
 0x813aeef215b68741	GoogleNow.Dismissed
 0x436c20892470d838	GoogleNow.MessageClicked
+0xd6c29b06a8c7e3e2	GpuAccelerationDisabled
+0xd18fed7efb6cf062	GpuAccelerationEnabled
 0x696c3c52634726aa	HiliteColor
 0x4869b7ac0caae3fe	History_DeleteHistory
 0xddf00e6e13ebc7ab	History_DragIcon