Gradient overlay for constrained window

As a part of the new constrained window look and feel we're changing the the solid gray overlay to a gradient overlay. The overlay fades in on show and fades out on hide.

Screenshots:
    light background: http://i.imgur.com/GJj6L.png
    dark background: http://i.imgur.com/s37da.png

BUG=140520
TEST=Run with --enable-frameless-constrained-dialogs.
  Navigate to http://www.imagemator.com/
  Click "Click to pick an image."

Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=152059

Review URL: https://chromiumcodereview.appspot.com/10855151

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@152065 0039d316-1c4b-4281-b951-d872f2087c98

5 files changed, 22 insertions, 0 deletions

diff --git a/content/public/renderer/render_view.h b/content/public/renderer/render_view.h
index a57ba9a..164acee 100644
--- a/content/public/renderer/render_view.h
+++ b/content/public/renderer/render_view.h
@@ -127,6 +127,10 @@ class CONTENT_EXPORT RenderView : public IPC::Sender {
       const WebKit::WebURLRequest& request,
       WebKit::WebNavigationPolicy policy) = 0;
 
+  // Notifies the renderer that a paint is to be generated for the size
+  // passed in.
+  virtual void Repaint(const gfx::Size& size) = 0;
+
  protected:
   virtual ~RenderView() {}
 };
diff --git a/content/public/test/render_view_test.cc b/content/public/test/render_view_test.cc
index b76d637..16ae1a6 100644
--- a/content/public/test/render_view_test.cc
+++ b/content/public/test/render_view_test.cc
@@ -309,6 +309,14 @@ uint32 RenderViewTest::GetNavigationIPCType() {
   return ViewHostMsg_FrameNavigate::ID;
 }
 
+void RenderViewTest::Resize(gfx::Size new_size,
+                            gfx::Rect resizer_rect,
+                            bool is_fullscreen) {
+  scoped_ptr<IPC::Message> resize_message(new ViewMsg_Resize(
+      0, new_size, resizer_rect, is_fullscreen));
+  OnMessageReceived(*resize_message);
+}
+
 bool RenderViewTest::OnMessageReceived(const IPC::Message& msg) {
   RenderViewImpl* impl = static_cast<RenderViewImpl*>(view_);
   return impl->OnMessageReceived(msg);
diff --git a/content/public/test/render_view_test.h b/content/public/test/render_view_test.h
index 95e1b34..3b2539e 100644
--- a/content/public/test/render_view_test.h
+++ b/content/public/test/render_view_test.h
@@ -110,6 +110,11 @@ class RenderViewTest : public testing::Test {
   // Returns the IPC message ID of the navigation message.
   uint32 GetNavigationIPCType();
 
+  // Resize the view.
+  void Resize(gfx::Size new_size,
+              gfx::Rect resizer_rect,
+              bool is_fullscreen);
+
   // These are all methods from RenderViewImpl that we expose to testing code.
   bool OnMessageReceived(const IPC::Message& msg);
   void DidNavigateWithinPage(WebKit::WebFrame* frame, bool is_new_navigation);
diff --git a/content/renderer/render_view_impl.cc b/content/renderer/render_view_impl.cc
index b2e0d61..3133b35 100644
--- a/content/renderer/render_view_impl.cc
+++ b/content/renderer/render_view_impl.cc
@@ -2474,6 +2474,10 @@ void RenderViewImpl::loadURLExternally(
   loadURLExternally(frame, request, policy, WebString());
 }
 
+void RenderViewImpl::Repaint(const gfx::Size& size) {
+  OnMsgRepaint(size);
+}
+
 void RenderViewImpl::loadURLExternally(
     WebFrame* frame, const WebURLRequest& request,
     WebNavigationPolicy policy,
diff --git a/content/renderer/render_view_impl.h b/content/renderer/render_view_impl.h
index 5ed9ef6..04490b9 100644
--- a/content/renderer/render_view_impl.h
+++ b/content/renderer/render_view_impl.h
@@ -711,6 +711,7 @@ class RenderViewImpl : public RenderWidget,
       WebKit::WebFrame* frame,
       const WebKit::WebURLRequest& request,
       WebKit::WebNavigationPolicy policy) OVERRIDE;
+  virtual void Repaint(const gfx::Size& size) OVERRIDE;
 
   // webkit_glue::WebPluginPageDelegate implementation -------------------------