cc: Use SkMScalar instead of doubles everywhere in cc

cc/trees/layer_tree_host_impl_unittest.cc

 // Copyright 2011 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/trees/layer_tree_host_impl.h"
 
 #include <cmath>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 2205 matching lines @@
   child->SetMaxScrollOffset(gfx::Vector2d(0, child->content_bounds().height()));
   scroll_layer->AddChild(child.Pass());
 
   gfx::Size surface_size(50, 50);
   host_impl_->SetViewportSize(surface_size);
   InitializeRendererAndDrawFrame();
   {
     // Scroll down in screen coordinates with a gesture.
     gfx::Vector2d gesture_scroll_delta(0, 10);
     EXPECT_EQ(InputHandler::ScrollStarted,
-              host_impl_->ScrollBegin(gfx::Point(),
+              host_impl_->ScrollBegin(gfx::Point(1, 1),
                                       InputHandler::Gesture));
     host_impl_->ScrollBy(gfx::Point(), gesture_scroll_delta);
     host_impl_->ScrollEnd();
 
     // The child layer should have scrolled down in its local coordinates an
     // amount proportional to the angle between it and the input scroll delta.
     gfx::Vector2d expected_scroll_delta(
         0,
         gesture_scroll_delta.y() *
             std::cos(MathUtil::Deg2Rad(child_layer_angle)));
     scoped_ptr<ScrollAndScaleSet> scroll_info =
         host_impl_->ProcessScrollDeltas();
     ExpectContains(*scroll_info.get(), child_layer_id, expected_scroll_delta);
 
     // The root scroll layer should not have scrolled, because the input delta
     // was close to the layer's axis of movement.
     EXPECT_EQ(scroll_info->scrolls.size(), 1u);
   }
   {
     // Now reset and scroll the same amount horizontally.
     scroll_layer->children()[1]->SetScrollDelta(
         gfx::Vector2dF());
     gfx::Vector2d gesture_scroll_delta(10, 0);
     EXPECT_EQ(InputHandler::ScrollStarted,
-              host_impl_->ScrollBegin(gfx::Point(),
+              host_impl_->ScrollBegin(gfx::Point(1, 1),
                                       InputHandler::Gesture));
     host_impl_->ScrollBy(gfx::Point(), gesture_scroll_delta);
     host_impl_->ScrollEnd();
 
     // The child layer should have scrolled down in its local coordinates an
     // amount proportional to the angle between it and the input scroll delta.
     gfx::Vector2d expected_scroll_delta(
         0,
         -gesture_scroll_delta.x() *
             std::sin(MathUtil::Deg2Rad(child_layer_angle)));
@@ skipping 4354 matching lines @@
   host_impl_.reset();
 
   // The CopyOutputResult's callback was cancelled, the CopyOutputResult
   // released, and the texture deleted.
   EXPECT_TRUE(context_provider->HasOneRef());
   EXPECT_EQ(0u, context_provider->TestContext3d()->NumTextures());
 }
 
 }  // namespace
 }  // namespace cc