cc: Remove implicit conversions from Rect to RectF in src/cc/.

cc/output/overlay_unittest.cc

 // Copyright 2014 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 "cc/base/scoped_ptr_vector.h"
 #include "cc/output/compositor_frame_metadata.h"
 #include "cc/output/gl_renderer.h"
 #include "cc/output/output_surface.h"
 #include "cc/output/output_surface_client.h"
 #include "cc/output/overlay_candidate_validator.h"
@@ skipping 45 matching lines @@
  public:
   void CheckOverlaySupport(OverlayCandidateList* surfaces) override;
 };
 
 void SingleOverlayValidator::CheckOverlaySupport(
     OverlayCandidateList* surfaces) {
   ASSERT_EQ(2U, surfaces->size());
 
   OverlayCandidate& candidate = surfaces->back();
   if (candidate.display_rect.width() == 64) {
-    EXPECT_EQ(kOverlayBottomRightRect, candidate.display_rect);
+    EXPECT_EQ(gfx::RectF(kOverlayBottomRightRect), candidate.display_rect);
   } else {
     EXPECT_NEAR(kOverlayRect.x(), candidate.display_rect.x(), 0.01f);
     EXPECT_NEAR(kOverlayRect.y(), candidate.display_rect.y(), 0.01f);
     EXPECT_NEAR(kOverlayRect.width(), candidate.display_rect.width(), 0.01f);
     EXPECT_NEAR(kOverlayRect.height(), candidate.display_rect.height(), 0.01f);
   }
   EXPECT_EQ(BoundingRect(kUVTopLeft, kUVBottomRight).ToString(),
             candidate.uv_rect.ToString());
   candidate.overlay_handled = true;
 }
@@ skipping 1088 matching lines @@
   renderer_->BeginDrawingFrame(&frame3);
   renderer_->FinishDrawingFrame(&frame3);
   EXPECT_TRUE(resource_provider_->InUseByConsumer(resource1));
   SwapBuffers();
   EXPECT_FALSE(resource_provider_->InUseByConsumer(resource1));
   Mock::VerifyAndClearExpectations(&scheduler_);
 }
 
 }  // namespace
 }  // namespace cc