Move a bunch of code in content\common (as well as a few left in renderer) to the content namespace.

content/public/test/render_view_fake_resources_test.h

Index: content/public/test/render_view_fake_resources_test.h
===================================================================
--- content/public/test/render_view_fake_resources_test.h	(revision 163290)
+++ content/public/test/render_view_fake_resources_test.h	(working copy)
@@ -52,7 +52,6 @@
 #include "ipc/ipc_listener.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-class MockRenderProcess;
 struct ResourceHostMsg_Request;
 
 namespace WebKit {
@@ -61,6 +60,7 @@
 }
 
 namespace content {
+class MockRenderProcess;
 class RenderThreadImpl;
 
 class RenderViewFakeResourcesTest : public ::testing::Test,