[DevTools] Use special resizing strategy instead of insets.

chrome/browser/devtools/devtools_window.h

Index: chrome/browser/devtools/devtools_window.h
diff --git a/chrome/browser/devtools/devtools_window.h b/chrome/browser/devtools/devtools_window.h
index 181ed3e318a48b8730aa8ba58a6bee98700e659b..37a89bcc16cfd61e14abef497d2911f25f8d4371 100644
--- a/chrome/browser/devtools/devtools_window.h
+++ b/chrome/browser/devtools/devtools_window.h
@@ -21,7 +21,6 @@
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/web_contents_delegate.h"
-#include "ui/gfx/insets.h"
 #include "ui/gfx/size.h"
 
 class Browser;
@@ -123,9 +122,9 @@ class DevToolsWindow : private content::NotificationObserver,
   content::RenderViewHost* GetRenderViewHost();
 
   // Inspected WebContents is placed over DevTools WebContents in docked mode.
-  // The following methods return the insets of inspected WebContents
-  // relative to DevTools WebContents.
-  gfx::Insets GetContentsInsets() const;
+  // The The following method returns the resizing strategy of inspected
+  // WebContents relative to DevTools WebContents.
+  const DevToolsContentsResizingStrategy& GetContentsResizingStrategy() const;
 
   // Minimum size of the docked DevTools WebContents. This includes
   // the overlaying inspected WebContents size.
@@ -301,6 +300,8 @@ class DevToolsWindow : private content::NotificationObserver,
   virtual void CloseWindow() OVERRIDE;
   virtual void SetContentsInsets(
       int left, int top, int right, int bottom) OVERRIDE;
+  virtual void SetContentsResizingStrategy(
+      const DevToolsContentsResizingStrategy& strategy) OVERRIDE;
   virtual void MoveWindow(int x, int y) OVERRIDE;
   virtual void SetIsDocked(bool is_docked) OVERRIDE;
   virtual void OpenInNewTab(const std::string& url) OVERRIDE;
@@ -381,7 +382,7 @@ class DevToolsWindow : private content::NotificationObserver,
       scoped_refptr<DevToolsFileSystemIndexer::FileSystemIndexingJob> >
       IndexingJobsMap;
   IndexingJobsMap indexing_jobs_;
-  gfx::Insets contents_insets_;
+  DevToolsContentsResizingStrategy contents_resizing_strategy_;
   // True if we're in the process of handling a beforeunload event originating
   // from the inspected webcontents, see InterceptPageBeforeUnload for details.
   bool intercepted_page_beforeunload_;