Move the mapped memory limit from the compositor to the GLHelper context

content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h

Index: content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h
diff --git a/content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h b/content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h
index f649a21cca9b66d7db5d25e73a99495c13641e5c..790d876c662499da565080bf84ceb94ea2ce403a 100644
--- a/content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h
+++ b/content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h
@@ -43,11 +43,6 @@ class GLES2Interface;
 
 namespace content {
 
-const size_t kDefaultCommandBufferSize = 1024 * 1024;
-const size_t kDefaultStartTransferBufferSize = 1 * 1024 * 1024;
-const size_t kDefaultMinTransferBufferSize = 1 * 256 * 1024;
-const size_t kDefaultMaxTransferBufferSize = 16 * 1024 * 1024;
-
 class WebGraphicsContext3DCommandBufferImpl
     : public gpu_blink::WebGraphicsContext3DImpl {
  public: