Remove page IDs from three WebContentsObserver APIs that don't need it.

chrome/browser/devtools/devtools_ui_bindings.cc

 // Copyright 2014 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/devtools/devtools_ui_bindings.h"
 
 #include "base/command_line.h"
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 217 matching lines @@
 class DevToolsUIBindings::FrontendWebContentsObserver
     : public content::WebContentsObserver {
  public:
   explicit FrontendWebContentsObserver(DevToolsUIBindings* window);
   virtual ~FrontendWebContentsObserver();
 
  private:
   // contents::WebContentsObserver:
   virtual void AboutToNavigateRenderView(
       content::RenderViewHost* render_view_host) OVERRIDE;
-  virtual void DocumentOnLoadCompletedInMainFrame(int32 page_id) OVERRIDE;
+  virtual void DocumentOnLoadCompletedInMainFrame() OVERRIDE;
 
   DevToolsUIBindings* devtools_bindings_;
   DISALLOW_COPY_AND_ASSIGN(FrontendWebContentsObserver);
 };
 
 DevToolsUIBindings::FrontendWebContentsObserver::FrontendWebContentsObserver(
     DevToolsUIBindings* devtools_window)
     : WebContentsObserver(devtools_window->web_contents()),
       devtools_bindings_(devtools_window) {
 }
 
 DevToolsUIBindings::FrontendWebContentsObserver::
     ~FrontendWebContentsObserver() {
 }
 
 void DevToolsUIBindings::FrontendWebContentsObserver::AboutToNavigateRenderView(
     content::RenderViewHost* render_view_host) {
   content::DevToolsClientHost::SetupDevToolsFrontendClient(render_view_host);
 }
 
 void DevToolsUIBindings::FrontendWebContentsObserver::
-    DocumentOnLoadCompletedInMainFrame(int32 page_id) {
+    DocumentOnLoadCompletedInMainFrame() {
   devtools_bindings_->DocumentOnLoadCompletedInMainFrame();
 }
 
 // DevToolsUIBindings ---------------------------------------------------------
 
 // static
 DevToolsUIBindings* DevToolsUIBindings::ForWebContents(
     content::WebContents* web_contents) {
   DevToolsUIBindingsList* instances = g_instances.Pointer();
   for (DevToolsUIBindingsList::iterator it(instances->begin());
@@ skipping 484 matching lines @@
   web_contents_->GetMainFrame()->ExecuteJavaScript(javascript);
 }
 
 void DevToolsUIBindings::DocumentOnLoadCompletedInMainFrame() {
   // Call delegate first - it seeds importants bit of information.
   delegate_->OnLoadCompleted();
 
   UpdateTheme();
   AddDevToolsExtensionsToClient();
 }