Scale the ALPHA_THRESHOLD filter's region based on the device scale factor.

cc/layers/delegated_renderer_layer_impl_unittest.cc

 // Copyright 2012 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/layers/delegated_renderer_layer_impl.h"
 
 #include "cc/base/scoped_ptr_vector.h"
 #include "cc/layers/solid_color_layer_impl.h"
 #include "cc/quads/render_pass_draw_quad.h"
 #include "cc/quads/solid_color_draw_quad.h"
@@ skipping 557 matching lines @@
                               root_pass_clip_rect,
                               root_pass_clipped,
                               1.f,
                               SkXfermode::kSrcOver_Mode,
                               0);
 
     RenderPassDrawQuad* render_pass_quad =
         pass->CreateAndAppendDrawQuad<RenderPassDrawQuad>();
     render_pass_quad->SetNew(
         shared_quad_state,
-        gfx::Rect(5, 5, 7, 7),  // quad_rect
-        gfx::Rect(5, 5, 7, 7),  // visible_rect
-        RenderPass::Id(10, 7),  // render_pass_id
-        false,                  // is_replica
-        0,                      // mask_resource_id
-        child_pass_rect,        // contents_changed_since_last_frame
-        gfx::RectF(),           // mask_uv_rect
-        FilterOperations(),     // filters
-        FilterOperations());    // background_filters
+        gfx::Rect(5, 5, 7, 7),      // quad_rect
+        gfx::Rect(5, 5, 7, 7),      // visible_rect
+        RenderPass::Id(10, 7),      // render_pass_id
+        false,                      // is_replica
+        0,                          // mask_resource_id
+        child_pass_rect,            // contents_changed_since_last_frame
+        gfx::RectF(),               // mask_uv_rect
+        FilterOperations(),         // filters
+        FilterOperations(),         // background_filters
+        gfx::Vector2dF(1.f, 1.f));  // scale
 
     SolidColorDrawQuad* color_quad;
     color_quad = pass->CreateAndAppendDrawQuad<SolidColorDrawQuad>();
     color_quad->SetNew(shared_quad_state,
                        gfx::Rect(0, 0, 10, 10),
                        gfx::Rect(0, 0, 10, 10),
                        1u,
                        false);
 
     color_quad = pass->CreateAndAppendDrawQuad<SolidColorDrawQuad>();
@@ skipping 407 matching lines @@
                               root_pass_clip_rect,
                               root_pass_clipped,
                               1.f,
                               SkXfermode::kSrcOver_Mode,
                               0);
 
     RenderPassDrawQuad* render_pass_quad =
         pass->CreateAndAppendDrawQuad<RenderPassDrawQuad>();
     render_pass_quad->SetNew(
         shared_quad_state,
-        gfx::Rect(5, 5, 7, 7),  // quad_rect
-        gfx::Rect(5, 5, 7, 7),  // visible_quad_rect
-        RenderPass::Id(10, 7),  // render_pass_id
-        false,                  // is_replica
-        0,                      // mask_resource_id
-        child_pass_rect,        // contents_changed_since_last_frame
-        gfx::RectF(),           // mask_uv_rect
-        FilterOperations(),     // filters
-        FilterOperations());    // background_filters
+        gfx::Rect(5, 5, 7, 7),      // quad_rect
+        gfx::Rect(5, 5, 7, 7),      // visible_quad_rect
+        RenderPass::Id(10, 7),      // render_pass_id
+        false,                      // is_replica
+        0,                          // mask_resource_id
+        child_pass_rect,            // contents_changed_since_last_frame
+        gfx::RectF(),               // mask_uv_rect
+        FilterOperations(),         // filters
+        FilterOperations(),         // background_filters
+        gfx::Vector2dF(1.f, 1.f));  // scale
 
     SolidColorDrawQuad* color_quad;
     color_quad = pass->CreateAndAppendDrawQuad<SolidColorDrawQuad>();
     color_quad->SetNew(shared_quad_state,
                        gfx::Rect(0, 0, 10, 10),
                        gfx::Rect(0, 0, 10, 10),
                        1u,
                        false);
 
     color_quad = pass->CreateAndAppendDrawQuad<SolidColorDrawQuad>();
@@ skipping 471 matching lines @@
       // The occlusion extends to 500 in the x-axis, pushing the left of the
       // visible part of the quad to 500 - 211 = 300 - 11 inside the quad.
       EXPECT_EQ(gfx::Rect(300 - 11, 0, 100 + 11, 500).ToString(),
                 impl.quad_list()[0]->visible_rect.ToString());
     }
   }
 }
 
 }  // namespace
 }  // namespace cc