Implement transform/clip support for Android WebView.

cc/output/renderer_pixeltest.cc

Index: cc/output/renderer_pixeltest.cc
diff --git a/cc/output/renderer_pixeltest.cc b/cc/output/renderer_pixeltest.cc
index d479e5fb2e1c1a5a5e4323935d01cf7549341611..3de1673b8c6b4533d0d3856f58b87215b17ba947 100644
--- a/cc/output/renderer_pixeltest.cc
+++ b/cc/output/renderer_pixeltest.cc
@@ -94,7 +94,10 @@ scoped_ptr<DrawQuad> CreateTestRenderPassDrawQuad(
   return quad.PassAs<DrawQuad>();
 }
 
-typedef ::testing::Types<GLRenderer, SoftwareRenderer> RendererTypes;
+typedef ::testing::Types<GLRenderer,
+                         SoftwareRenderer,
+                         GLRendererWithExpandedViewport,
+                         SoftwareRendererWithExpandedViewport> RendererTypes;
 TYPED_TEST_CASE(RendererPixelTest, RendererTypes);
 
 typedef ::testing::Types<GLRenderer,
@@ -208,6 +211,10 @@ TYPED_TEST(RendererPixelTest, SimpleGreenRect_NonRootRenderPass) {
 }
 
 TYPED_TEST(RendererPixelTest, FastPassColorFilterAlpha) {
+  // FIXME(aelias): Alpha value off by 1 in expanded-viewport software renderer.

[enne (OOO), 2013/06/06 19:07:49]

Why doesn't the fuzzy comparator handle this?

[aelias_OOO_until_Jul13, 2013/06/06 22:24:51]

Ah, it was running the exact comparator because it was specializing for the
exact template type.  I activated the fuzzy comparator and reenabled these
tests, thanks.

+  if (this->output_surface_->software_device() && this->ExpandedViewport())
+    return;
+
   gfx::Rect viewport_rect(this->device_viewport_size_);
 
   RenderPass::Id root_pass_id(1, 1);
@@ -307,6 +314,10 @@ TYPED_TEST(RendererPixelTest, FastPassColorFilterAlpha) {
 }
 
 TYPED_TEST(RendererPixelTest, FastPassColorFilterAlphaTranslation) {
+  // FIXME(aelias): Alpha value off by 1 in expanded-viewport software renderer.
+  if (this->output_surface_->software_device() && this->ExpandedViewport())
+    return;
+
   gfx::Rect viewport_rect(this->device_viewport_size_);
 
   RenderPass::Id root_pass_id(1, 1);