cc: Allow fully solid layers to contribute their pixels to quad_data.visible_content_area

cc/layers/solid_color_layer_impl.cc

Index: cc/layers/solid_color_layer_impl.cc
diff --git a/cc/layers/solid_color_layer_impl.cc b/cc/layers/solid_color_layer_impl.cc
index 0d343c579e0991935a37009253943af20bd5978b..5e0a64027d1056ef9b0a60385c3c8fbe07628a72 100644
--- a/cc/layers/solid_color_layer_impl.cc
+++ b/cc/layers/solid_color_layer_impl.cc
@@ -6,6 +6,7 @@
 
 #include <algorithm>
 
+#include "cc/layers/append_quads_data.h"
 #include "cc/quads/solid_color_draw_quad.h"
 #include "cc/trees/occlusion_tracker.h"
 
@@ -32,7 +33,8 @@ void SolidColorLayerImpl::AppendSolidQuads(
     SharedQuadState* shared_quad_state,
     const gfx::Size& content_bounds,
     const gfx::Transform& target_space_transform,
-    SkColor color) {
+    SkColor color,
+    AppendQuadsData* append_quads_data) {
   Occlusion occlusion =
       occlusion_tracker.GetCurrentOcclusionForLayer(target_space_transform);
 
@@ -51,6 +53,9 @@ void SolidColorLayerImpl::AppendSolidQuads(
       if (visible_quad_rect.IsEmpty())
         continue;
 
+      append_quads_data->visible_content_area +=
+          visible_quad_rect.width() * visible_quad_rect.height();
+
       SolidColorDrawQuad* quad =
           render_pass->CreateAndAppendDrawQuad<SolidColorDrawQuad>();
       quad->SetNew(
@@ -75,7 +80,8 @@ void SolidColorLayerImpl::AppendQuads(
                    shared_quad_state,
                    content_bounds(),
                    draw_properties().target_space_transform,
-                   background_color());
+                   background_color(),
+                   append_quads_data);
 }
 
 const char* SolidColorLayerImpl::LayerTypeAsString() const {