Content shell: Use only public API.

content/shell/shell_content_browser_client.cc

Index: content/shell/shell_content_browser_client.cc
diff --git a/content/shell/shell_content_browser_client.cc b/content/shell/shell_content_browser_client.cc
index 901c5726f56e6e26702f5429e18fc96e0246aec3..632a5d72910eb18740c0dfe04eb619c61e5e8459 100644
--- a/content/shell/shell_content_browser_client.cc
+++ b/content/shell/shell_content_browser_client.cc
@@ -14,16 +14,6 @@
 #include "googleurl/src/gurl.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 
-#if defined(OS_WIN)
-#include "content/browser/tab_contents/tab_contents.h"
-#include "content/browser/tab_contents/tab_contents_view_win.h"
-#include "content/common/view_messages.h"
-#elif defined(OS_LINUX)
-#include "content/browser/tab_contents/tab_contents_view_gtk.h"
-#elif defined(OS_MACOSX)
-#include "content/browser/tab_contents/web_contents_view_mac.h"
-#endif
-
 namespace content {
 
 ShellContentBrowserClient::ShellContentBrowserClient()