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

content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h

Index: content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h
===================================================================
--- content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h	(revision 163290)
+++ content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h	(working copy)
@@ -24,11 +24,6 @@
 #endif
 
 class CommandBufferProxy;
-class GpuChannelHost;
-class GpuChannelHostFactory;
-struct GpuMemoryAllocationForRenderer;
-
-
 namespace gpu {
 
 class TransferBuffer;
@@ -54,6 +49,11 @@
 using WebKit::WGC3Dintptr;
 using WebKit::WGC3Dsizeiptr;
 
+namespace content {
+class GpuChannelHost;
+class GpuChannelHostFactory;
+struct GpuMemoryAllocationForRenderer;
+
 // TODO(piman): move this logic to the compositor and remove it from the
 // context...
 class WebGraphicsContext3DSwapBuffersClient {
@@ -87,7 +87,7 @@
 
   bool Initialize(const Attributes& attributes,
                   bool bind_generates_resources,
-                  content::CauseForGpuLaunch cause);
+                  CauseForGpuLaunch cause);
 
   // The following 3 IDs let one uniquely identify this context.
   // Gets the GPU process ID for this context.
@@ -127,7 +127,7 @@
       const WebGraphicsContext3D::Attributes& attributes,
       bool bind_generates_resources,
       const GURL& active_url,
-      content::CauseForGpuLaunch cause);
+      CauseForGpuLaunch cause);
 
   // Create & initialize a WebGraphicsContext3DCommandBufferImpl.  Return NULL
   // on any failure.
@@ -729,4 +729,6 @@
   bool use_echo_for_swap_ack_;
 };
 
+}  // namespace content
+
 #endif  // CONTENT_COMMON_GPU_CLIENT_WEBGRAPHICSCONTEXT3D_COMMAND_BUFFER_IMPL_H_