cc: Make the ScopedPtrVector and ScopedPtrDeque containers act like STL vector and deque.

cc/layer_tree_host_impl.cc

Index: cc/layer_tree_host_impl.cc
diff --git a/cc/layer_tree_host_impl.cc b/cc/layer_tree_host_impl.cc
index 3c22180ecf923f86ccf6aed16f3c80d8c8f60075..1da6f61ec208976d0936fe1a832695037f375cd8 100644
--- a/cc/layer_tree_host_impl.cc
+++ b/cc/layer_tree_host_impl.cc
@@ -427,7 +427,7 @@ void LayerTreeHostImpl::updateDrawProperties()
 void LayerTreeHostImpl::FrameData::appendRenderPass(scoped_ptr<RenderPass> renderPass)
 {
     renderPassesById[renderPass->id] = renderPass.get();
-    renderPasses.append(renderPass.Pass());
+    renderPasses.push_back(renderPass.Pass());
 }
 
 static void appendQuadsForLayer(RenderPass* targetRenderPass, LayerImpl* layer, OcclusionTrackerImpl& occlusionTracker, AppendQuadsData& appendQuadsData)
@@ -518,7 +518,7 @@ static void appendQuadsToFillScreen(RenderPass* targetRenderPass, LayerImpl* roo
 
 bool LayerTreeHostImpl::calculateRenderPasses(FrameData& frame)
 {
-    DCHECK(frame.renderPasses.isEmpty());
+    DCHECK(frame.renderPasses.empty());
 
     if (!canDraw() || !rootLayer())
       return false;
@@ -614,8 +614,8 @@ bool LayerTreeHostImpl::calculateRenderPasses(FrameData& frame)
 #endif
 
     if (!activeTree()->has_transparent_background()) {
-        frame.renderPasses.last()->has_transparent_background = false;
-        appendQuadsToFillScreen(frame.renderPasses.last(), rootLayer(), activeTree()->background_color(), occlusionTracker);
+        frame.renderPasses.back()->has_transparent_background = false;
+        appendQuadsToFillScreen(frame.renderPasses.back(), rootLayer(), activeTree()->background_color(), occlusionTracker);
     }
 
     if (drawFrame)
@@ -659,9 +659,8 @@ static void removeRenderPassesRecursive(RenderPass::Id removeRenderPassId, Layer
 
     DCHECK(toRemove != renderPasses.end());
 
-    size_t index = toRemove - renderPasses.begin();
-    scoped_ptr<RenderPass> removedPass = renderPasses.take(index);
-    frame.renderPasses.remove(index);
+    scoped_ptr<RenderPass> removedPass = renderPasses.take(toRemove);
+    frame.renderPasses.erase(toRemove);
     frame.renderPassesById.erase(removeRenderPassId);
 
     // Now follow up for all RenderPass quads and remove their RenderPasses recursively.
@@ -878,7 +877,7 @@ void LayerTreeHostImpl::drawLayers(FrameData& frame)
 {
     TRACE_EVENT0("cc", "LayerTreeHostImpl::drawLayers");
     DCHECK(canDraw());
-    DCHECK(!frame.renderPasses.isEmpty());
+    DCHECK(!frame.renderPasses.empty());
 
     // FIXME: use the frame begin time from the overall compositor scheduler.
     // This value is currently inaccessible because it is up in Chromium's
@@ -895,7 +894,7 @@ void LayerTreeHostImpl::drawLayers(FrameData& frame)
 
     m_renderer->drawFrame(frame.renderPasses);
     // The render passes should be consumed by the renderer.
-    DCHECK(frame.renderPasses.isEmpty());
+    DCHECK(frame.renderPasses.empty());
     frame.renderPassesById.clear();
 
     // The next frame should start by assuming nothing has changed, and changes are noted as they occur.