Prepare content/ module for compilation with OS X 10.7 deployment target.

content/browser/web_contents/web_contents_view_mac.mm

 // Copyright (c) 2012 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.
 
 #import <Carbon/Carbon.h>
 
 #import "content/browser/web_contents/web_contents_view_mac.h"
 
 #include <string>
 
@@ skipping 100 matching lines @@
     return NULL;
   return rwhv->GetNativeView();
 }
 
 gfx::NativeWindow WebContentsViewMac::GetTopLevelNativeWindow() const {
   NSWindow* window = [cocoa_view_.get() window];
   return window ? window : delegate_->GetNativeWindow();
 }
 
 void WebContentsViewMac::GetContainerBounds(gfx::Rect* out) const {
-  // Convert bounds to window coordinate space.
-  NSRect bounds =
-      [cocoa_view_.get() convertRect:[cocoa_view_.get() bounds] toView:nil];
+  NSWindow* window = [cocoa_view_.get() window];
+  NSRect bounds = [cocoa_view_.get() bounds];
+  if (window)  {
+    // Convert bounds to window coordinate space.
+    bounds = [cocoa_view_.get() convertRect:bounds toView:nil];
 
-  // Convert bounds to screen coordinate space.
-  NSWindow* window = [cocoa_view_.get() window];
-  bounds.origin = [window convertBaseToScreen:bounds.origin];
+    // Convert bounds to screen coordinate space.
+    bounds = [window convertRectToScreen:bounds];
+  }
 
   // Flip y to account for screen flip.
   NSScreen* screen = [[NSScreen screens] firstObject];
   bounds.origin.y = [screen frame].size.height - bounds.origin.y
       - bounds.size.height;
   *out = gfx::Rect(NSRectToCGRect(bounds));
 }
 
 void WebContentsViewMac::StartDragging(
     const DropData& drop_data,
@@ skipping 541 matching lines @@
 
 - (void)viewDidHide {
   [self updateWebContentsVisibility];
 }
 
 - (void)viewDidUnhide {
   [self updateWebContentsVisibility];
 }
 
 @end