4 files changed, 36 insertions, 31 deletions

diff --git a/chrome/browser/tab_contents/tab_contents.h b/chrome/browser/tab_contents/tab_contents.h
index e3cb28d..b23c8d5 100644
--- a/chrome/browser/tab_contents/tab_contents.h
+++ b/chrome/browser/tab_contents/tab_contents.h
@@ -399,7 +399,7 @@ class TabContents : public PageNavigator,
 
   // Removes the InfoBar for the specified |delegate|.
   void RemoveInfoBar(InfoBarDelegate* delegate);
-  
+
   // Enumeration and access functions.
   int infobar_delegate_count() const { return infobar_delegates_.size(); }
   InfoBarDelegate* GetInfoBarDelegateAt(int index) {
@@ -407,7 +407,7 @@ class TabContents : public PageNavigator,
   }
 
   // Toolbars and such ---------------------------------------------------------
- 
+
   // Returns whether the bookmark bar should be visible.
   virtual bool IsBookmarkBarAlwaysVisible() { return false; }
 
diff --git a/chrome/browser/tab_contents/tab_contents_delegate.h b/chrome/browser/tab_contents/tab_contents_delegate.h
index 428f98e..05f5e79 100644
--- a/chrome/browser/tab_contents/tab_contents_delegate.h
+++ b/chrome/browser/tab_contents/tab_contents_delegate.h
@@ -6,14 +6,10 @@
 #define CHROME_BROWSER_TAB_CONTENTS_TAB_CONTENTS_DELEGATE_H_
 
 #include "base/basictypes.h"
+#include "base/gfx/rect.h"
 #include "chrome/browser/tab_contents/page_navigator.h"
 #include "chrome/common/navigation_types.h"
 
-namespace gfx {
-class Point;
-class Rect;
-}
-
 class TabContents;
 class HtmlDialogContentsDelegate;
 
@@ -30,8 +26,7 @@ class TabContentsDelegate : public PageNavigator {
 
   virtual void OpenURL(const GURL& url, const GURL& referrer,
                        WindowOpenDisposition disposition,
-                       PageTransition::Type transition)
-  {
+                       PageTransition::Type transition) {
     OpenURLFromTab(NULL, url, referrer, disposition, transition);
   }
 
@@ -106,7 +101,7 @@ class TabContentsDelegate : public PageNavigator {
   // a WebContents with a valid WebApp set.
   virtual void ConvertContentsToApplication(TabContents* source) { }
 
-  // Informs the TabContentsDelegate that some of our state has changed 
+  // Informs the TabContentsDelegate that some of our state has changed
   // for this tab.
   virtual void ContentsStateChanged(TabContents* source) {}
 
@@ -119,6 +114,10 @@ class TabContentsDelegate : public PageNavigator {
   // call. ConstrainedWindows shouldn't be able to be blurred.
   virtual bool CanBlur() const { return true; }
 
+  // Return the rect where to display the resize corner, if any, otherwise
+  // an empty rect.
+  virtual gfx::Rect GetRootWindowResizerRect() const { return gfx::Rect(); }
+
   // Show a dialog with HTML content. |delegate| contains a pointer to the
   // delegate who knows how to display the dialog (which file URL and JSON
   // string input to use during initialization). |parent_window| is the window
@@ -129,17 +128,17 @@ class TabContentsDelegate : public PageNavigator {
   // Tells us that we've finished firing this tab's beforeunload event.
   // The proceed bool tells us whether the user chose to proceed closing the
   // tab. Returns true if the tab can continue on firing it's unload event.
-  // If we're closing the entire browser, then we'll want to delay firing 
+  // If we're closing the entire browser, then we'll want to delay firing
   // unload events until all the beforeunload events have fired.
   virtual void BeforeUnloadFired(TabContents* tab,
-                                 bool proceed, 
-                                 bool* proceed_to_fire_unload) { 
+                                 bool proceed,
+                                 bool* proceed_to_fire_unload) {
     *proceed_to_fire_unload = true;
   }
 
   // Send IPC to external host. Default implementation is do nothing.
   virtual void ForwardMessageToExternalHost(const std::string& receiver,
-                                            const std::string& message) {};
+                                            const std::string& message) {}
 
   // If the delegate is hosting tabs externally.
   virtual bool IsExternalTabContainer() const { return false; }
diff --git a/chrome/browser/tab_contents/web_contents.cc b/chrome/browser/tab_contents/web_contents.cc
index ec55a6c..44ab59b 100644
--- a/chrome/browser/tab_contents/web_contents.cc
+++ b/chrome/browser/tab_contents/web_contents.cc
@@ -394,7 +394,7 @@ bool WebContents::NavigateToPendingEntry(bool reload) {
   }
 
   // Clear any provisional password saves - this stops password infobars
-  // showing up on pages the user navigates to while the right page is 
+  // showing up on pages the user navigates to while the right page is
   // loading.
   GetPasswordManager()->ClearProvisionalSave();
 
@@ -422,7 +422,7 @@ void WebContents::Copy() {
 }
 
 void WebContents::Paste() {
-   render_view_host()->Paste();
+  render_view_host()->Paste();
 }
 
 void WebContents::DisassociateFromPopupCount() {
@@ -603,7 +603,7 @@ bool WebContents::IsActiveEntry(int32 page_id) {
 }
 
 void WebContents::SetInitialFocus(bool reverse) {
-   render_view_host()->SetInitialFocus(reverse);
+  render_view_host()->SetInitialFocus(reverse);
 }
 
 // Notifies the RenderWidgetHost instance about the fact that the page is
@@ -670,20 +670,20 @@ void WebContents::DidNavigate(RenderViewHost* rvh,
 
   // We can't do anything about navigations when we're inactive.
   if (!controller() || !is_active())
-    return;  
+    return;
 
   // Update the site of the SiteInstance if it doesn't have one yet.
   if (!GetSiteInstance()->has_site())
     GetSiteInstance()->SetSite(params.url);
 
-  // Need to update MIME type here because it's referred to in 
+  // Need to update MIME type here because it's referred to in
   // UpdateNavigationCommands() called by RendererDidNavigate() to
-  // determine whether or not to enable the encoding menu. 
-  // It's updated only for the main frame. For a subframe, 
+  // determine whether or not to enable the encoding menu.
+  // It's updated only for the main frame. For a subframe,
   // RenderView::UpdateURL does not set params.contents_mime_type.
   // (see http://code.google.com/p/chromium/issues/detail?id=2929 )
-  // TODO(jungshik): Add a test for the encoding menu to avoid 
-  // regressing it again. 
+  // TODO(jungshik): Add a test for the encoding menu to avoid
+  // regressing it again.
   if (PageTransition::IsMainFrame(params.transition))
     contents_mime_type_ = params.contents_mime_type;
 
@@ -1049,7 +1049,7 @@ void WebContents::AutofillFormSubmitted(
   GetAutofillManager()->AutofillFormSubmitted(form);
 }
 
-void WebContents::GetAutofillSuggestions(const std::wstring& field_name, 
+void WebContents::GetAutofillSuggestions(const std::wstring& field_name,
     const std::wstring& user_text, int64 node_id, int request_id) {
   GetAutofillManager()->FetchValuesForName(field_name, user_text,
       kMaxAutofillMenuItems, node_id, request_id);
@@ -1278,16 +1278,21 @@ bool WebContents::CanBlur() const {
   return delegate() ? delegate()->CanBlur() : true;
 }
 
-void WebContents::RendererUnresponsive(RenderViewHost* rvh, 
+gfx::Rect WebContents::GetRootWindowResizerRect() const {
+  if (delegate())
+    return delegate()->GetRootWindowResizerRect();
+  return gfx::Rect();
+}
+
+void WebContents::RendererUnresponsive(RenderViewHost* rvh,
                                        bool is_during_unload) {
   if (is_during_unload) {
     // Hang occurred while firing the beforeunload/unload handler.
     // Pretend the handler fired so tab closing continues as if it had.
     rvh->UnloadListenerHasFired();
 
-    if (!render_manager_.ShouldCloseTabOnUnresponsiveRenderer()) {
+    if (!render_manager_.ShouldCloseTabOnUnresponsiveRenderer())
       return;
-    }
 
     // If the tab hangs in the beforeunload/unload handler there's really
     // nothing we can do to recover. Pretend the unload listeners have
@@ -1652,7 +1657,7 @@ bool WebContents::UpdateTitleForEntry(NavigationEntry* entry,
         profile()->GetHistoryService(Profile::IMPLICIT_ACCESS);
     if (hs)
       hs->SetPageTitle(entry->display_url(), final_title);
-    
+
     // Don't allow the title to be saved again for explicitly set ones.
     received_page_title_ = explicit_set;
   }
diff --git a/chrome/browser/tab_contents/web_contents.h b/chrome/browser/tab_contents/web_contents.h
index 3326cb1..2f3044b 100644
--- a/chrome/browser/tab_contents/web_contents.h
+++ b/chrome/browser/tab_contents/web_contents.h
@@ -214,7 +214,7 @@ class WebContents : public TabContents,
 
   // Override the encoding and reload the page by sending down
   // ViewMsg_SetPageEncoding to the renderer. |UpdateEncoding| is kinda
-  // the opposite of this, by which 'browser' is notified of 
+  // the opposite of this, by which 'browser' is notified of
   // the encoding of the current tab from 'renderer' (determined by
   // auto-detect, http header, meta, bom detection, etc).
   void override_encoding(const std::wstring& encoding) {
@@ -308,7 +308,7 @@ class WebContents : public TabContents,
                                    IPC::Message* reply_msg);
   virtual void PasswordFormsSeen(const std::vector<PasswordForm>& forms);
   virtual void AutofillFormSubmitted(const AutofillForm& form);
-  virtual void GetAutofillSuggestions(const std::wstring& field_name, 
+  virtual void GetAutofillSuggestions(const std::wstring& field_name,
       const std::wstring& user_text, int64 node_id, int request_id);
   virtual void PageHasOSDD(RenderViewHost* render_view_host,
                            int32 page_id, const GURL& url, bool autodetected);
@@ -332,7 +332,8 @@ class WebContents : public TabContents,
                                         new_request_id);
   }
   virtual bool CanBlur() const;
-  virtual void RendererUnresponsive(RenderViewHost* render_view_host, 
+  virtual gfx::Rect GetRootWindowResizerRect() const;
+  virtual void RendererUnresponsive(RenderViewHost* render_view_host,
                                     bool is_during_unload);
   virtual void RendererResponsive(RenderViewHost* render_view_host);
   virtual void LoadStateChanged(const GURL& url, net::LoadState load_state);