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

content/common/gpu/image_transport_surface_android.cc

Index: content/common/gpu/image_transport_surface_android.cc
===================================================================
--- content/common/gpu/image_transport_surface_android.cc	(revision 163290)
+++ content/common/gpu/image_transport_surface_android.cc	(working copy)
@@ -9,6 +9,8 @@
 #include "content/common/gpu/texture_image_transport_surface.h"
 #include "ui/gl/gl_surface_egl.h"
 
+namespace content {
+
 // static
 scoped_refptr<gfx::GLSurface> ImageTransportSurface::CreateSurface(
     GpuChannelManager* manager,
@@ -41,3 +43,5 @@
     return NULL;
   }
 }
+
+}  // namespace content