cc: Set the mapped memory reclaim limit for the renderer compositor on Android

cc/debug/test_web_graphics_context_3d.h

Index: cc/debug/test_web_graphics_context_3d.h
diff --git a/cc/debug/test_web_graphics_context_3d.h b/cc/debug/test_web_graphics_context_3d.h
index 3dfc7ed272fc22c8c7490fea1ff101cbfe2e84cc..45a7c59e2bb30bd23ab68f22e9049e57c32a574d 100644
--- a/cc/debug/test_web_graphics_context_3d.h
+++ b/cc/debug/test_web_graphics_context_3d.h
@@ -205,6 +205,10 @@ class CC_EXPORT TestWebGraphicsContext3D : public FakeWebGraphicsContext3D {
 
   virtual WebKit::WebGLId NextImageId();
 
+  size_t transfer_buffer_memory_used_bytes() const {
+    return transfer_buffer_memory_used_bytes_;
+  }
+
  protected:
   struct Buffer {
     Buffer();
@@ -278,6 +282,7 @@ class CC_EXPORT TestWebGraphicsContext3D : public FakeWebGraphicsContext3D {
   static Namespace* shared_namespace_;
 
   base::WeakPtrFactory<TestWebGraphicsContext3D> weak_ptr_factory_;
+  size_t transfer_buffer_memory_used_bytes_;
 };
 
 }  // namespace cc