Complete the rename from about:tracking2 --> about:profiler by changing the implementation code to always reference "profiler" rather than "tracking".

BUG=100992
Review URL: http://codereview.chromium.org/8520016

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@110207 0039d316-1c4b-4281-b951-d872f2087c98

11 files changed, 199 insertions, 27 deletions

diff --git a/chrome/browser/browser_resources.grd b/chrome/browser/browser_resources.grd
index ebbe5661..0e7fa6b 100644
--- a/chrome/browser/browser_resources.grd
+++ b/chrome/browser/browser_resources.grd
@@ -93,6 +93,8 @@
       <include name="IDR_POLICY_JS" file="resources\policy.js" type="BINDATA"/>
       <include name="IDR_PRINT_PREVIEW_HTML" file="resources\print_preview\print_preview.html" flattenhtml="true" allowexternalscript="true" type="BINDATA" />
       <include name="IDR_PRINT_PREVIEW_JS" file="resources\print_preview\print_preview.js" flattenhtml="true" type="BINDATA" />
+      <include name="IDR_PROFILER_HTML" file="resources\profiler.html" flattenhtml="true" allowexternalscript="true" type="BINDATA" />
+      <include name="IDR_PROFILER_JS" file="resources\profiler.js" flattenhtml="true" type="BINDATA" />
       <include name="IDR_READER_OUT_OF_DATE_HTML" file="resources\reader_out_of_date.html" flattenhtml="true" type="BINDATA" />
       <include name="IDR_SAFE_BROWSING_MALWARE_BLOCK" file="resources\safe_browsing_malware_block.html" flattenhtml="true" type="BINDATA" />
       <include name="IDR_SAFE_BROWSING_MULTIPLE_THREAT_BLOCK" file="resources\safe_browsing_multiple_threat_block.html" flattenhtml="true" type="BINDATA" />
@@ -114,8 +116,6 @@
       <include name="IDR_TASK_MANAGER_JS" file="resources\task_manager\main.js" type="BINDATA" />
       <include name="IDR_TRACING_HTML" file="resources\tracing.html" flattenhtml="true" allowexternalscript="true" type="BINDATA" />
       <include name="IDR_TRACING_JS" file="resources\tracing.js" flattenhtml="true" type="BINDATA" />
-      <include name="IDR_TRACKING_HTML" file="resources\tracking.html" flattenhtml="true" allowexternalscript="true" type="BINDATA" />
-      <include name="IDR_TRACKING_JS" file="resources\tracking.js" flattenhtml="true" type="BINDATA" />
       <include name="IDR_TRANSLATE_JS" file="resources\translate.js" type="BINDATA" />
       <include name="IDR_WEBSTORE_MANIFEST" file="resources\webstore_app\manifest.json" type="BINDATA" />
       <if expr="not pp_ifdef('chromeos')">
diff --git a/chrome/browser/metrics/tracking_synchronizer.cc b/chrome/browser/metrics/tracking_synchronizer.cc
index 7e89367..e1b3673 100644
--- a/chrome/browser/metrics/tracking_synchronizer.cc
+++ b/chrome/browser/metrics/tracking_synchronizer.cc
@@ -55,7 +55,7 @@ TrackingSynchronizer* TrackingSynchronizer::CurrentSynchronizer() {
 
 // static
 void TrackingSynchronizer::FetchTrackingDataAsynchronously(
-    const base::WeakPtr<TrackingUI>& callback_object) {
+    const base::WeakPtr<ProfilerUI>& callback_object) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   TrackingSynchronizer* current_synchronizer = CurrentSynchronizer();
@@ -159,7 +159,7 @@ void TrackingSynchronizer::DeserializeTrackingListOnUI(
 }
 
 int TrackingSynchronizer::RegisterAndNotifyAllProcesses(
-    const base::WeakPtr<TrackingUI>& callback_object) {
+    const base::WeakPtr<ProfilerUI>& callback_object) {
   // To iterate over all processes, or to send messages to the hosts, we need
   // to be on the UI thread.
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
diff --git a/chrome/browser/metrics/tracking_synchronizer.h b/chrome/browser/metrics/tracking_synchronizer.h
index fff2a63..fda547f 100644
--- a/chrome/browser/metrics/tracking_synchronizer.h
+++ b/chrome/browser/metrics/tracking_synchronizer.h
@@ -15,7 +15,7 @@
 #include "base/memory/weak_ptr.h"
 #include "base/time.h"
 #include "base/values.h"
-#include "chrome/browser/ui/webui/tracking_ui.h"
+#include "chrome/browser/ui/webui/profiler_ui.h"
 #include "content/common/child_process_info.h"
 #include "content/public/browser/browser_thread.h"
 
@@ -42,7 +42,7 @@ class TrackingSynchronizer : public
   // The "RequestContext" structure describes an individual request received
   // from the UI.
   struct RequestContext {
-    RequestContext(const base::WeakPtr<TrackingUI>& callback_object,
+    RequestContext(const base::WeakPtr<ProfilerUI>& callback_object,
                    int sequence_number,
                    int processes_pending,
                    base::TimeTicks callback_start_time)
@@ -55,7 +55,7 @@ class TrackingSynchronizer : public
     ~RequestContext() {}
 
     // Requests are made to asynchronously send data to the |callback_object_|.
-    base::WeakPtr<TrackingUI> callback_object_;
+    base::WeakPtr<ProfilerUI> callback_object_;
 
     // The sequence number used by the most recent update request to contact all
     // processes.
@@ -86,7 +86,7 @@ class TrackingSynchronizer : public
   // the data received from each sub-process.
   // This method is accessible on UI thread.
   static void FetchTrackingDataAsynchronously(
-      const base::WeakPtr<TrackingUI>& callback_object);
+      const base::WeakPtr<ProfilerUI>& callback_object);
 
   // Contact all processes and set tracking status to |enable|.
   // This method is accessible on UI thread.
@@ -129,7 +129,7 @@ class TrackingSynchronizer : public
   // |callback_object| in |outstanding_requests_| map. Return the
   // sequence_number_ that was used. This method is accessible on UI thread.
   int RegisterAndNotifyAllProcesses(
-      const base::WeakPtr<TrackingUI>& callback_object);
+      const base::WeakPtr<ProfilerUI>& callback_object);
 
   // It finds the |callback_object_| in |outstanding_requests_| map for the
   // given |sequence_number| and notifies the |callback_object_| about the
diff --git a/chrome/browser/resources/tracking.html b/chrome/browser/resources/profiler.html
index 29a999f..29a999f 100644
--- a/chrome/browser/resources/tracking.html
+++ b/chrome/browser/resources/profiler.html
diff --git a/chrome/browser/resources/tracking.js b/chrome/browser/resources/profiler.js
index b9bf11fd..28ab5ae 100644
--- a/chrome/browser/resources/tracking.js
+++ b/chrome/browser/resources/profiler.js
@@ -61,7 +61,7 @@ var BrowserBridge = (function() {
 })();
 
 /**
- * This class handles the presentation of our tracking view. Used as a
+ * This class handles the presentation of our profiler view. Used as a
  * singleton.
  */
 var MainView = (function() {
diff --git a/chrome/browser/ui/webui/chrome_web_ui_factory.cc b/chrome/browser/ui/webui/chrome_web_ui_factory.cc
index 43647a8..3326c3a 100644
--- a/chrome/browser/ui/webui/chrome_web_ui_factory.cc
+++ b/chrome/browser/ui/webui/chrome_web_ui_factory.cc
@@ -34,12 +34,12 @@
 #include "chrome/browser/ui/webui/plugins_ui.h"
 #include "chrome/browser/ui/webui/policy_ui.h"
 #include "chrome/browser/ui/webui/print_preview_ui.h"
+#include "chrome/browser/ui/webui/profiler_ui.h"
 #include "chrome/browser/ui/webui/quota_internals_ui.h"
 #include "chrome/browser/ui/webui/sessions_ui.h"
 #include "chrome/browser/ui/webui/sync_internals_ui.h"
 #include "chrome/browser/ui/webui/test_chrome_web_ui_factory.h"
 #include "chrome/browser/ui/webui/tracing_ui.h"
-#include "chrome/browser/ui/webui/tracking_ui.h"
 #include "chrome/browser/ui/webui/workers_ui.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/extension_constants.h"
@@ -211,8 +211,8 @@ static WebUIFactoryFunction GetWebUIFactoryFunction(Profile* profile,
     return &NewWebUI<TaskManagerUI>;
   if (url.host() == chrome::kChromeUITracingHost)
     return &NewWebUI<TracingUI>;
-  if (url.host() == chrome::kChromeUITrackingHost2)
-    return &NewWebUI<TrackingUI>;
+  if (url.host() == chrome::kChromeUIProfilerHost)
+    return &NewWebUI<ProfilerUI>;
   if (url.host() == chrome::kChromeUIWorkersHost)
     return &NewWebUI<WorkersUI>;
 
diff --git a/chrome/browser/ui/webui/profiler_ui.cc b/chrome/browser/ui/webui/profiler_ui.cc
new file mode 100644
index 0000000..0264edd
--- /dev/null
+++ b/chrome/browser/ui/webui/profiler_ui.cc
@@ -0,0 +1,172 @@
+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/browser/ui/webui/profiler_ui.h"
+
+#include <string>
+
+// When testing the javacript code, it is cumbersome to have to keep
+// re-building the resouces package and reloading the browser. To solve
+// this, enable the following flag to read the webapp's source files
+// directly off disk, so all you have to do is refresh the page to
+// test the modifications.
+//#define USE_SOURCE_FILES_DIRECTLY
+
+#include "base/bind.h"
+#include "base/tracked_objects.h"
+#include "chrome/browser/metrics/tracking_synchronizer.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/ui/webui/chrome_web_ui_data_source.h"
+#include "chrome/common/url_constants.h"
+#include "content/browser/tab_contents/tab_contents.h"
+#include "content/browser/trace_controller.h"
+#include "grit/browser_resources.h"
+#include "grit/generated_resources.h"
+
+#ifdef USE_SOURCE_FILES_DIRECTLY
+#include "base/base_paths.h"
+#include "base/file_util.h"
+#include "base/memory/ref_counted_memory.h"
+#include "base/path_service.h"
+#endif  //  USE_SOURCE_FILES_DIRECTLY
+
+using content::BrowserThread;
+using chrome_browser_metrics::TrackingSynchronizer;
+
+namespace {
+
+#ifdef USE_SOURCE_FILES_DIRECTLY
+
+class ProfilerWebUIDataSource : public ChromeURLDataManager::DataSource {
+ public:
+  ProfilerWebUIDataSource()
+      : DataSource(chrome::kChromeUIProfilerHost, MessageLoop::current()) {
+  }
+
+ protected:
+  // ChromeURLDataManager
+  virtual std::string GetMimeType(const std::string& path) const OVERRIDE {
+    if (EndsWith(path, ".js", false))
+      return "application/javascript";
+    return "text/html";
+  }
+
+  virtual void StartDataRequest(const std::string& path,
+                                bool is_incognito,
+                                int request_id) OVERRIDE {
+    FilePath base_path;
+    PathService::Get(base::DIR_SOURCE_ROOT, &base_path);
+    base_path = base_path.AppendASCII("chrome");
+    base_path = base_path.AppendASCII("browser");
+    base_path = base_path.AppendASCII("resources");
+
+    // If no resource was specified, default to profiler.html.
+    std::string filename = path.empty() ? "profiler.html" : path;
+
+    FilePath file_path;
+    file_path = base_path.AppendASCII(filename);
+
+    // Read the file synchronously and send it as the response.
+    base::ThreadRestrictions::ScopedAllowIO allow;
+    std::string file_contents;
+    if (!file_util::ReadFileToString(file_path, &file_contents))
+      LOG(ERROR) << "Couldn't read file: " << file_path.value();
+    scoped_refptr<base::RefCountedString> response =
+        new base::RefCountedString();
+    response->data() = file_contents;
+    SendResponse(request_id, response);
+  }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ProfilerWebUIDataSource);
+};
+
+ChromeURLDataManager::DataSource* CreateProfilerHTMLSource() {
+  return new ProfilerWebUIDataSource();
+}
+
+#else  // USE_SOURCE_FILES_DIRECTLY
+
+ChromeWebUIDataSource* CreateProfilerHTMLSource() {
+  ChromeWebUIDataSource* source =
+      new ChromeWebUIDataSource(chrome::kChromeUIProfilerHost);
+
+  source->set_json_path("strings.js");
+  source->add_resource_path("profiler.js", IDR_PROFILER_JS);
+  source->set_default_resource(IDR_PROFILER_HTML);
+  return source;
+}
+
+#endif
+
+// This class receives javascript messages from the renderer.
+// Note that the WebUI infrastructure runs on the UI thread, therefore all of
+// this class's methods are expected to run on the UI thread.
+class ProfilerMessageHandler : public WebUIMessageHandler {
+ public:
+  ProfilerMessageHandler() {}
+
+  // WebUIMessageHandler implementation.
+  virtual WebUIMessageHandler* Attach(WebUI* web_ui) OVERRIDE;
+  virtual void RegisterMessages() OVERRIDE;
+
+  // Messages.
+  void OnGetData(const ListValue* list);
+  void OnResetData(const ListValue* list);
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ProfilerMessageHandler);
+};
+
+WebUIMessageHandler* ProfilerMessageHandler::Attach(WebUI* web_ui) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  WebUIMessageHandler* result = WebUIMessageHandler::Attach(web_ui);
+  return result;
+}
+
+void ProfilerMessageHandler::RegisterMessages() {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+
+  web_ui_->RegisterMessageCallback("getData",
+      base::Bind(&ProfilerMessageHandler::OnGetData,base::Unretained(this)));
+  web_ui_->RegisterMessageCallback("resetData",
+      base::Bind(&ProfilerMessageHandler::OnResetData,
+                 base::Unretained(this)));
+}
+
+void ProfilerMessageHandler::OnGetData(const ListValue* list) {
+  ProfilerUI* profiler_ui = reinterpret_cast<ProfilerUI*>(web_ui_);
+  profiler_ui->GetData();
+}
+
+void ProfilerMessageHandler::OnResetData(const ListValue* list) {
+  tracked_objects::ThreadData::ResetAllThreadData();
+}
+
+}  // namespace
+
+ProfilerUI::ProfilerUI(TabContents* contents) : ChromeWebUI(contents) {
+  ui_weak_ptr_factory_.reset(new base::WeakPtrFactory<ProfilerUI>(this));
+  ui_weak_ptr_ = ui_weak_ptr_factory_->GetWeakPtr();
+
+  AddMessageHandler((new ProfilerMessageHandler())->Attach(this));
+
+  // Set up the chrome://profiler/ source.
+  Profile::FromBrowserContext(contents->browser_context())->
+      GetChromeURLDataManager()->AddDataSource(CreateProfilerHTMLSource());
+}
+
+ProfilerUI::~ProfilerUI() {
+}
+
+void ProfilerUI::GetData() {
+  TrackingSynchronizer::FetchTrackingDataAsynchronously(ui_weak_ptr_);
+}
+
+void ProfilerUI::ReceivedData(base::Value* value) {
+  // Send the data to the renderer.
+  scoped_ptr<Value> data_values(value);
+  CallJavascriptFunction("g_browserBridge.receivedData", *data_values.get());
+}
+
diff --git a/chrome/browser/ui/webui/tracking_ui.h b/chrome/browser/ui/webui/profiler_ui.h
index afa2128..d36f275 100644
--- a/chrome/browser/ui/webui/tracking_ui.h
+++ b/chrome/browser/ui/webui/profiler_ui.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CHROME_BROWSER_UI_WEBUI_TRACKING_UI_H_
-#define CHROME_BROWSER_UI_WEBUI_TRACKING_UI_H_
+#ifndef CHROME_BROWSER_UI_WEBUI_PROFILER_UI_H_
+#define CHROME_BROWSER_UI_WEBUI_PROFILER_UI_H_
 #pragma once
 
 #include "base/memory/scoped_ptr.h"
@@ -11,11 +11,11 @@
 #include "base/values.h"
 #include "chrome/browser/ui/webui/chrome_web_ui.h"
 
-// The C++ back-end for the chrome://tracking2 webui page.
-class TrackingUI : public ChromeWebUI {
+// The C++ back-end for the chrome://profiler webui page.
+class ProfilerUI : public ChromeWebUI {
  public:
-  explicit TrackingUI(TabContents* contents);
-  virtual ~TrackingUI();
+  explicit ProfilerUI(TabContents* contents);
+  virtual ~ProfilerUI();
 
   // Get the tracking data from TrackingSynchronizer.
   void GetData();
@@ -25,10 +25,10 @@ class TrackingUI : public ChromeWebUI {
 
  private:
   // Used to get |weak_ptr_| to self on the UI thread.
-  scoped_ptr<base::WeakPtrFactory<TrackingUI> > ui_weak_ptr_factory_;
-  base::WeakPtr<TrackingUI> ui_weak_ptr_;
+  scoped_ptr<base::WeakPtrFactory<ProfilerUI> > ui_weak_ptr_factory_;
+  base::WeakPtr<ProfilerUI> ui_weak_ptr_;
 
-  DISALLOW_COPY_AND_ASSIGN(TrackingUI);
+  DISALLOW_COPY_AND_ASSIGN(ProfilerUI);
 };
 
-#endif  // CHROME_BROWSER_UI_WEBUI_TRACKING_UI_H_
+#endif  // CHROME_BROWSER_UI_WEBUI_PROFILER_UI_H_
diff --git a/chrome/chrome_browser.gypi b/chrome/chrome_browser.gypi
index 1164397..7e5ca2d 100644
--- a/chrome/chrome_browser.gypi
+++ b/chrome/chrome_browser.gypi
@@ -3879,6 +3879,8 @@
         'browser/ui/webui/print_preview_handler.h',
         'browser/ui/webui/print_preview_ui.cc',
         'browser/ui/webui/print_preview_ui.h',
+        'browser/ui/webui/profiler_ui.cc',
+        'browser/ui/webui/profiler_ui.h',
         'browser/ui/webui/quota_internals_handler.cc',
         'browser/ui/webui/quota_internals_handler.h',
         'browser/ui/webui/quota_internals_proxy.cc',
@@ -3917,8 +3919,6 @@
         'browser/ui/webui/theme_source.h',
         'browser/ui/webui/tracing_ui.cc',
         'browser/ui/webui/tracing_ui.h',
-        'browser/ui/webui/tracking_ui.cc',
-        'browser/ui/webui/tracking_ui.h',
         'browser/ui/webui/web_ui_util.cc',
         'browser/ui/webui/web_ui_util.h',
         'browser/ui/webui/workers_ui.cc',
diff --git a/chrome/common/url_constants.cc b/chrome/common/url_constants.cc
index 1a742ba..9cb103f 100644
--- a/chrome/common/url_constants.cc
+++ b/chrome/common/url_constants.cc
@@ -164,6 +164,7 @@ const char kChromeUINewTabHost[] = "newtab";
 const char kChromeUIPluginsHost[] = "plugins";
 const char kChromeUIPolicyHost[] = "policy";
 const char kChromeUIPrintHost[] = "print";
+const char kChromeUIProfilerHost[] = "profiler";
 const char kChromeUIQuotaInternalsHost[] = "quota-internals";
 const char kChromeUIResourcesHost[] = "resources";
 const char kChromeUISessionsHost[] = "sessions";
@@ -182,7 +183,6 @@ const char kChromeUIThumbnailHost[] = "thumb";
 const char kChromeUITouchIconHost[] = "touch-icon";
 const char kChromeUITracingHost[] = "tracing";
 const char kChromeUITrackingHost[] = "tracking";
-const char kChromeUITrackingHost2[] = "profiler";
 const char kChromeUIVersionHost[] = "version";
 const char kChromeUIWorkersHost[] = "workers";
 
diff --git a/chrome/common/url_constants.h b/chrome/common/url_constants.h
index 3dc7163..70a3341 100644
--- a/chrome/common/url_constants.h
+++ b/chrome/common/url_constants.h
@@ -156,6 +156,7 @@ extern const char kChromeUINewTabHost[];
 extern const char kChromeUIPluginsHost[];
 extern const char kChromeUIPolicyHost[];
 extern const char kChromeUIPrintHost[];
+extern const char kChromeUIProfilerHost[];
 extern const char kChromeUIQuotaInternalsHost[];
 extern const char kChromeUIResourcesHost[];
 extern const char kChromeUISessionsHost[];
@@ -174,7 +175,6 @@ extern const char kChromeUIThumbnailHost[];
 extern const char kChromeUITouchIconHost[];
 extern const char kChromeUITracingHost[];
 extern const char kChromeUITrackingHost[];
-extern const char kChromeUITrackingHost2[];
 extern const char kChromeUIVersionHost[];
 extern const char kChromeUIWorkersHost[];