color: Set GpuMemoryBuffer color spaces for Canvas

content/renderer/renderer_blink_platform_impl.cc

Index: content/renderer/renderer_blink_platform_impl.cc
diff --git a/content/renderer/renderer_blink_platform_impl.cc b/content/renderer/renderer_blink_platform_impl.cc
index 212a9ec7dc2af291e0c7bac2dc2ad23a51cb1a8a..553205512e367fe0607e0dff06dadec52fbf863b 100644
--- a/content/renderer/renderer_blink_platform_impl.cc
+++ b/content/renderer/renderer_blink_platform_impl.cc
@@ -23,6 +23,7 @@
 #include "build/build_config.h"
 #include "components/url_formatter/url_formatter.h"
 #include "content/child/blob_storage/webblobregistry_impl.h"
+#include "content/child/child_gpu_memory_buffer_manager.h"
 #include "content/child/child_shared_bitmap_manager.h"
 #include "content/child/database_util.h"
 #include "content/child/file_info_util.h"
@@ -1141,6 +1142,13 @@ RendererBlinkPlatformImpl::createSharedOffscreenGraphicsContext3DProvider() {
 
 //------------------------------------------------------------------------------
 
+gpu::GpuMemoryBufferManager*
+RendererBlinkPlatformImpl::getGpuMemoryBufferManager() {
+  return ChildThreadImpl::current()->gpu_memory_buffer_manager();
+}
+
+//------------------------------------------------------------------------------
+
 std::unique_ptr<cc::SharedBitmap>
 RendererBlinkPlatformImpl::allocateSharedBitmap(const blink::WebSize& size) {
   return ChildThreadImpl::current()