4 files changed, 36 insertions, 1 deletions
diff --git a/chrome/browser/debugger/devtools_manager.cc b/chrome/browser/debugger/devtools_manager.cc
index 8cc56d0..c68f806 100644
--- a/chrome/browser/debugger/devtools_manager.cc
+++ b/chrome/browser/debugger/devtools_manager.cc
@@ -118,6 +118,15 @@ void DevToolsManager::UndockWindow(RenderViewHost* client_rvh) {
   ReopenWindow(client_rvh, false);
 }
 
+void DevToolsManager::ToggleInspectElementMode(RenderViewHost* client_rvh,
+                                               bool enabled) {
+  DevToolsClientHost* client_host = FindOnwerDevToolsClientHost(client_rvh);
+  DCHECK(client_host);
+  RenderViewHost* inspected_rvh = GetInspectedRenderViewHost(client_host);
+  DCHECK(inspected_rvh);
+  inspected_rvh->set_in_inspect_element_mode(enabled);
+}
+
 void DevToolsManager::OpenDevToolsWindow(RenderViewHost* inspected_rvh) {
   ToggleDevToolsWindow(inspected_rvh, true);
 }
diff --git a/chrome/browser/debugger/devtools_manager.h b/chrome/browser/debugger/devtools_manager.h
index 27ab730..d5c6981 100644
--- a/chrome/browser/debugger/devtools_manager.h
+++ b/chrome/browser/debugger/devtools_manager.h
@@ -51,6 +51,7 @@ class DevToolsManager : public DevToolsClientHost::CloseListener,
   void CloseWindow(RenderViewHost* client_rvn);
   void DockWindow(RenderViewHost* client_rvn);
   void UndockWindow(RenderViewHost* client_rvn);
+  void ToggleInspectElementMode(RenderViewHost* client_rvh, bool enabled);
 
   void OpenDevToolsWindow(RenderViewHost* inspected_rvh);
 
diff --git a/chrome/browser/renderer_host/render_view_host.cc b/chrome/browser/renderer_host/render_view_host.cc
index ff6b8e3..73a66fa 100644
--- a/chrome/browser/renderer_host/render_view_host.cc
+++ b/chrome/browser/renderer_host/render_view_host.cc
@@ -109,7 +109,8 @@ RenderViewHost::RenderViewHost(SiteInstance* instance,
       run_modal_reply_msg_(NULL),
       is_waiting_for_unload_ack_(false),
       are_javascript_messages_suppressed_(false),
-      sudden_termination_allowed_(false) {
+      sudden_termination_allowed_(false),
+      in_inspect_element_mode_(false) {
   DCHECK(instance_);
   DCHECK(delegate_);
   if (modal_dialog_event == NULL)
@@ -781,6 +782,8 @@ void RenderViewHost::OnMessageReceived(const IPC::Message& msg) {
                         OnDockDevToolsWindow);
     IPC_MESSAGE_HANDLER(ViewHostMsg_UndockDevToolsWindow,
                         OnUndockDevToolsWindow);
+    IPC_MESSAGE_HANDLER(ViewHostMsg_ToggleInspectElementMode,
+                        OnToggleInspectElementMode);
     IPC_MESSAGE_HANDLER(ViewHostMsg_UserMetricsRecordAction,
                         OnUserMetricsRecordAction)
     IPC_MESSAGE_HANDLER(ViewHostMsg_MissingPluginStatus, OnMissingPluginStatus);
@@ -1328,6 +1331,10 @@ void RenderViewHost::OnUndockDevToolsWindow() {
   DevToolsManager::GetInstance()->UndockWindow(this);
 }
 
+void RenderViewHost::OnToggleInspectElementMode(bool enabled) {
+  DevToolsManager::GetInstance()->ToggleInspectElementMode(this, enabled);
+}
+
 void RenderViewHost::OnUserMetricsRecordAction(const std::wstring& action) {
   UserMetrics::RecordComputedAction(action.c_str(), process()->profile());
 }
@@ -1481,6 +1488,14 @@ gfx::Rect RenderViewHost::GetRootWindowResizerRect() const {
 
 void RenderViewHost::ForwardMouseEvent(
     const WebKit::WebMouseEvent& mouse_event) {
+  if (in_inspect_element_mode_ &&
+      mouse_event.type == WebInputEvent::MouseDown) {
+    in_inspect_element_mode_ = false;
+    DevToolsManager::GetInstance()->InspectElement(this, mouse_event.x,
+        mouse_event.y);
+    return;
+  }
+
   // We make a copy of the mouse event because
   // RenderWidgetHost::ForwardMouseEvent will delete |mouse_event|.
   WebKit::WebMouseEvent event_copy(mouse_event);
diff --git a/chrome/browser/renderer_host/render_view_host.h b/chrome/browser/renderer_host/render_view_host.h
index 90a4d53..a55095a 100644
--- a/chrome/browser/renderer_host/render_view_host.h
+++ b/chrome/browser/renderer_host/render_view_host.h
@@ -418,6 +418,10 @@ class RenderViewHost : public RenderWidgetHost,
   void SignalModalDialogEvent();
   void ResetModalDialogEvent();
 
+  void set_in_inspect_element_mode(bool enabled) {
+    in_inspect_element_mode_ = enabled;
+  }
+
  protected:
   // RenderWidgetHost protected overrides.
   virtual void UnhandledKeyboardEvent(const NativeWebKeyboardEvent& event);
@@ -522,6 +526,7 @@ class RenderViewHost : public RenderWidgetHost,
   void OnCloseDevToolsWindow();
   void OnDockDevToolsWindow();
   void OnUndockDevToolsWindow();
+  void OnToggleInspectElementMode(bool enabled);
 
   void OnUserMetricsRecordAction(const std::wstring& action);
   void OnMissingPluginStatus(int status);
@@ -618,6 +623,11 @@ class RenderViewHost : public RenderWidgetHost,
   // True if the render view can be shut down suddenly.
   bool sudden_termination_allowed_;
 
+  // DevTools triggers this mode when user chooses inspect lens tool.
+  // While in this mode, mouse click is converted into InspectElement
+  // command.
+  bool in_inspect_element_mode_;
+
   NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewHost);