Remove WebContents methods that duplicate WebContentsView methods.

chrome/browser/ui/cocoa/download/download_started_animation_mac.mm

Index: chrome/browser/ui/cocoa/download/download_started_animation_mac.mm
diff --git a/chrome/browser/ui/cocoa/download/download_started_animation_mac.mm b/chrome/browser/ui/cocoa/download/download_started_animation_mac.mm
index 901a755942b2bca5a22766b974957007b62b09c5..ef203ae0be82e759a7dadbbd0cc8e76b4984fc49 100644
--- a/chrome/browser/ui/cocoa/download/download_started_animation_mac.mm
+++ b/chrome/browser/ui/cocoa/download/download_started_animation_mac.mm
@@ -19,6 +19,7 @@
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/notification_types.h"
 #include "content/public/browser/web_contents.h"
+#include "content/public/browser/web_contents_view.h"
 #include "grit/theme_resources.h"
 #import "third_party/GTM/AppKit/GTMNSAnimation+Duration.h"
 #include "third_party/skia/include/utils/mac/SkCGUtils.h"
@@ -105,7 +106,7 @@ class DownloadAnimationWebObserver : public content::NotificationObserver {
     // the bottom of the tab, assuming there is enough room. If there isn't
     // enough, don't show the animation and let the shelf speak for itself.
     gfx::Rect bounds;
-    webContents->GetContainerBounds(&bounds);
+    webContents->GetView()->GetContainerBounds(&bounds);
     imageWidth_ = [image size].width;
     CGFloat imageHeight = [image size].height;
 
@@ -115,7 +116,7 @@ class DownloadAnimationWebObserver : public content::NotificationObserver {
       return nil;
     }
 
-    NSView* tabContentsView = webContents->GetNativeView();
+    NSView* tabContentsView = webContents->GetView()->GetNativeView();
     NSWindow* parentWindow = [tabContentsView window];
     if (!parentWindow) {
       // The tab is no longer frontmost.