cc: Make scheduling be driven by vsync for android webview.

android_webview/browser/browser_view_renderer_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 "android_webview/browser/browser_view_renderer.h"
 #include "android_webview/browser/child_frame.h"
 #include "android_webview/browser/test/rendering_test.h"
 
 namespace android_webview {
 
 class SmokeTest : public RenderingTest {
-  void StartTest() override {
-    browser_view_renderer_->SetContinuousInvalidate(true);
-  }
-
-  void WillOnDraw() override {
-    browser_view_renderer_->SetContinuousInvalidate(false);
-  }
+  void StartTest() override { browser_view_renderer_->PostInvalidate(); }
 
   void DidDrawOnRT(SharedRendererState* functor) override {
     EndTest();
   }
 };
 
 RENDERING_TEST_F(SmokeTest);
 
 class ClearViewTest : public RenderingTest {
  public:
-  ClearViewTest() : on_draw_count_(0u) {}
+  ClearViewTest() : on_draw_count_(0) {}
 
   void StartTest() override {
-    browser_view_renderer_->SetContinuousInvalidate(true);
+    browser_view_renderer_->PostInvalidate();
     browser_view_renderer_->ClearView();
   }
 
-  void WillOnDraw() override {
+  void DidOnDraw(bool success) override {
     on_draw_count_++;
-    if (on_draw_count_ == 2u) {
-      browser_view_renderer_->SetContinuousInvalidate(false);
-    }
-  }
-
-  void DidOnDraw(bool success) override {
-    if (on_draw_count_ == 1u) {
+    if (on_draw_count_ == 1) {
       // First OnDraw should be skipped due to ClearView.
       EXPECT_FALSE(success);
       browser_view_renderer_->DidUpdateContent();  // Unset ClearView.
+      browser_view_renderer_->PostInvalidate();
     } else {
       // Following OnDraws should succeed.
       EXPECT_TRUE(success);
     }
   }
 
   void DidDrawOnRT(SharedRendererState* functor) override {
     EndTest();
   }
  private:
-  size_t on_draw_count_;
+  int on_draw_count_;
 };
 
 RENDERING_TEST_F(ClearViewTest);
 
 class TestAnimateInAndOutOfScreen : public RenderingTest {
  public:
-  TestAnimateInAndOutOfScreen()
-      : on_draw_count_(0u), draw_gl_count_on_rt_(0u) {}
+  TestAnimateInAndOutOfScreen() : on_draw_count_(0), draw_gl_count_on_rt_(0) {}
 
   void StartTest() override {
     new_constraints_ = ParentCompositorDrawConstraints(
         false, gfx::Transform(), gfx::Rect(window_->surface_size()));
     new_constraints_.transform.Scale(2.0, 2.0);
-    browser_view_renderer_->SetContinuousInvalidate(true);
+    browser_view_renderer_->PostInvalidate();
   }
 
   void WillOnDraw() override {
-    browser_view_renderer_->SetContinuousInvalidate(false);
     // Step 0: A single onDraw on screen. The parent draw constraints
     // of the BVR will updated to be the initial constraints.
     // Step 1: A single onDrraw off screen. The parent draw constraints of the
     // BVR will be updated to the new constraints.
     // Step 2: This onDraw is to introduce the DrawGL that animates the
     // webview onto the screen on render thread. End the test when the parent
     // draw constraints of BVR is updated to initial constraints.
-    if (on_draw_count_ == 1u || on_draw_count_ == 2u)
+    if (on_draw_count_ == 1 || on_draw_count_ == 2)
       browser_view_renderer_->PrepareToDraw(gfx::Vector2d(), gfx::Rect());
   }
 
   void DidOnDraw(bool success) override {
     EXPECT_TRUE(success);
     on_draw_count_++;
   }
 
   bool WillDrawOnRT(SharedRendererState* functor,
                     AwDrawGLInfo* draw_info) override {
-    if (draw_gl_count_on_rt_ == 1u) {
+    if (draw_gl_count_on_rt_ == 1) {
       draw_gl_count_on_rt_++;
       ui_proxy_->PostTask(FROM_HERE, base::Bind(&RenderingTest::PostInvalidate,
                                                 base::Unretained(this)));
       return false;
     }
 
     draw_info->width = window_->surface_size().width();
     draw_info->height = window_->surface_size().height();
     draw_info->is_layer = false;
 
     gfx::Transform transform;
-    if (draw_gl_count_on_rt_ == 0u)
+    if (draw_gl_count_on_rt_ == 0)
       transform = new_constraints_.transform;
 
     transform.matrix().asColMajorf(draw_info->transform);
     return true;
   }
 
   void DidDrawOnRT(SharedRendererState* functor) override {
     draw_gl_count_on_rt_++;
   }
 
@@ skipping 20 matching lines @@
         break;
       // There will be a following 4th onDraw. But the hardware renderer won't
       // post back the draw constraints in DrawGL because the constraints
       // don't change.
       default:
         FAIL();
     }
   }
 
  private:
-  size_t on_draw_count_;
-  size_t draw_gl_count_on_rt_;
+  int on_draw_count_;
+  int draw_gl_count_on_rt_;
   ParentCompositorDrawConstraints initial_constraints_;
   ParentCompositorDrawConstraints new_constraints_;
 };
 
 RENDERING_TEST_F(TestAnimateInAndOutOfScreen);
 
 }  // namespace android_webview