Revert of Sets the default background color of inline signin and user manager to grey

content/browser/renderer_host/render_widget_host_view_android.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/renderer_host/render_widget_host_view_android.h"
 
 #include <android/bitmap.h>
 
 #include "base/android/build_info.h"
 #include "base/basictypes.h"
@@ skipping 793 matching lines @@
   std::string utf8_selection = base::UTF16ToUTF8(text.substr(pos, n));
 
   content_view_core_->OnSelectionChanged(utf8_selection);
 }
 
 void RenderWidgetHostViewAndroid::SelectionBoundsChanged(
     const ViewHostMsg_SelectionBounds_Params& params) {
   NOTREACHED() << "Selection bounds should be routed through the compositor.";
 }
 
-void RenderWidgetHostViewAndroid::SetBackgroundColor(SkColor color) {
-  RenderWidgetHostViewBase::SetBackgroundColor(color);
-  host_->SetBackgroundOpaque(GetBackgroundOpaque());
-  OnDidChangeBodyBackgroundColor(color);
+void RenderWidgetHostViewAndroid::SetBackgroundOpaque(bool opaque) {
+  RenderWidgetHostViewBase::SetBackgroundOpaque(opaque);
+  host_->SetBackgroundOpaque(opaque);
 }
 
 void RenderWidgetHostViewAndroid::CopyFromCompositingSurface(
     const gfx::Rect& src_subrect,
     const gfx::Size& dst_size,
     CopyFromCompositingSurfaceCallback& callback,
     const SkColorType color_type) {
   TRACE_EVENT0("cc", "RenderWidgetHostViewAndroid::CopyFromCompositingSurface");
   if ((!host_ || host_->is_hidden()) ||
       !IsReadbackConfigSupported(color_type)) {
@@ skipping 945 matching lines @@
   results->orientationAngle = display.RotationAsDegree();
   results->orientationType =
       RenderWidgetHostViewBase::GetOrientationTypeForMobile(display);
   gfx::DeviceDisplayInfo info;
   results->depth = info.GetBitsPerPixel();
   results->depthPerComponent = info.GetBitsPerComponent();
   results->isMonochrome = (results->depthPerComponent == 0);
 }
 
 } // namespace content