Cleanup namespace usage in platform/graphics/[filters/* to skia/*] and platform/graphics/[B-D]*

Source/platform/graphics/Canvas2DLayerBridge.cpp

Index: Source/platform/graphics/Canvas2DLayerBridge.cpp
diff --git a/Source/platform/graphics/Canvas2DLayerBridge.cpp b/Source/platform/graphics/Canvas2DLayerBridge.cpp
index 034c6ceff7f4c4a62b46a84a7fc6cb5f55741076..f88c27805e4cc712875e7739b143abb1300888af 100644
--- a/Source/platform/graphics/Canvas2DLayerBridge.cpp
+++ b/Source/platform/graphics/Canvas2DLayerBridge.cpp
@@ -39,9 +39,6 @@
 #include "public/platform/WebGraphicsContext3DProvider.h"
 #include "wtf/RefCountedLeakCounter.h"
 
-using blink::WebExternalTextureLayer;
-using blink::WebGraphicsContext3D;
-
 namespace {
 enum {
     InvalidMailboxIndex = -1,
@@ -64,7 +61,7 @@ static PassRefPtr<SkSurface> createSkSurface(GrContext* gr, const IntSize& size,
 PassRefPtr<Canvas2DLayerBridge> Canvas2DLayerBridge::create(const IntSize& size, OpacityMode opacityMode, int msaaSampleCount)
 {
     TRACE_EVENT_INSTANT0("test_gpu", "Canvas2DLayerBridgeCreation");
-    OwnPtr<blink::WebGraphicsContext3DProvider> contextProvider = adoptPtr(blink::Platform::current()->createSharedOffscreenGraphicsContext3DProvider());
+    OwnPtr<WebGraphicsContext3DProvider> contextProvider = adoptPtr(Platform::current()->createSharedOffscreenGraphicsContext3DProvider());
     if (!contextProvider)
         return nullptr;
     RefPtr<SkSurface> surface(createSkSurface(contextProvider->grContext(), size, msaaSampleCount));
@@ -76,7 +73,7 @@ PassRefPtr<Canvas2DLayerBridge> Canvas2DLayerBridge::create(const IntSize& size,
     return layerBridge.release();
 }
 
-Canvas2DLayerBridge::Canvas2DLayerBridge(PassOwnPtr<blink::WebGraphicsContext3DProvider> contextProvider, PassOwnPtr<SkDeferredCanvas> canvas, PassRefPtr<SkSurface> surface, int msaaSampleCount, OpacityMode opacityMode)
+Canvas2DLayerBridge::Canvas2DLayerBridge(PassOwnPtr<WebGraphicsContext3DProvider> contextProvider, PassOwnPtr<SkDeferredCanvas> canvas, PassRefPtr<SkSurface> surface, int msaaSampleCount, OpacityMode opacityMode)
     : m_canvas(canvas)
     , m_surface(surface)
     , m_contextProvider(contextProvider)
@@ -100,7 +97,7 @@ Canvas2DLayerBridge::Canvas2DLayerBridge(PassOwnPtr<blink::WebGraphicsContext3DP
     ASSERT(m_contextProvider);
     // Used by browser tests to detect the use of a Canvas2DLayerBridge.
     TRACE_EVENT_INSTANT0("test_gpu", "Canvas2DLayerBridgeCreation");
-    m_layer = adoptPtr(blink::Platform::current()->compositorSupport()->createExternalTextureLayer(this));
+    m_layer = adoptPtr(Platform::current()->compositorSupport()->createExternalTextureLayer(this));
     m_layer->setOpaque(opacityMode == Opaque);
     m_layer->setBlendBackgroundColor(opacityMode != Opaque);
     GraphicsLayer::registerContentsLayer(m_layer->layer());
@@ -329,7 +326,7 @@ void Canvas2DLayerBridge::freeReleasedMailbox()
     Canvas2DLayerManager::get().layerTransientResourceAllocationChanged(this);
 }
 
-blink::WebGraphicsContext3D* Canvas2DLayerBridge::context()
+WebGraphicsContext3D* Canvas2DLayerBridge::context()
 {
     // Check on m_layer is necessary because context() may be called during
     // the destruction of m_layer
@@ -360,13 +357,13 @@ bool Canvas2DLayerBridge::restoreSurface()
         return false;
     ASSERT(m_layer && !m_isSurfaceValid);
 
-    blink::WebGraphicsContext3D* sharedContext = 0;
+    WebGraphicsContext3D* sharedContext = 0;
     // We must clear the mailboxes before calling m_layer->clearTexture() to prevent
     // re-entry via mailboxReleased from operating on defunct GrContext objects.
     m_mailboxes.clear();
     m_releasedMailboxInfoIndex = InvalidMailboxIndex;
     m_layer->clearTexture();
-    m_contextProvider = adoptPtr(blink::Platform::current()->createSharedOffscreenGraphicsContext3DProvider());
+    m_contextProvider = adoptPtr(Platform::current()->createSharedOffscreenGraphicsContext3DProvider());
     if (m_contextProvider)
         sharedContext = m_contextProvider->context3d();
 
@@ -384,7 +381,7 @@ bool Canvas2DLayerBridge::restoreSurface()
     return m_isSurfaceValid;
 }
 
-bool Canvas2DLayerBridge::prepareMailbox(blink::WebExternalTextureMailbox* outMailbox, blink::WebExternalBitmap* bitmap)
+bool Canvas2DLayerBridge::prepareMailbox(WebExternalTextureMailbox* outMailbox, WebExternalBitmap* bitmap)
 {
     if (m_destructionInProgress) {
         // It can be hit in the following sequence.
@@ -406,7 +403,7 @@ bool Canvas2DLayerBridge::prepareMailbox(blink::WebExternalTextureMailbox* outMa
     if (!checkSurfaceValid())
         return false;
 
-    blink::WebGraphicsContext3D* webContext = context();
+    WebGraphicsContext3D* webContext = context();
 
     // Release to skia textures that were previouosly released by the
     // compositor. We do this before acquiring the next snapshot in
@@ -486,7 +483,7 @@ Canvas2DLayerBridge::MailboxInfo* Canvas2DLayerBridge::createMailboxInfo() {
     return mailboxInfo;
 }
 
-void Canvas2DLayerBridge::mailboxReleased(const blink::WebExternalTextureMailbox& mailbox, bool lostResource)
+void Canvas2DLayerBridge::mailboxReleased(const WebExternalTextureMailbox& mailbox, bool lostResource)
 {
     freeReleasedMailbox(); // Never have more than one mailbox in the released state.
     bool contextLost = !m_isSurfaceValid || m_contextProvider->context3d()->isContextLost();
@@ -539,7 +536,7 @@ void Canvas2DLayerBridge::mailboxReleased(const blink::WebExternalTextureMailbox
     }
 }
 
-blink::WebLayer* Canvas2DLayerBridge::layer() const
+WebLayer* Canvas2DLayerBridge::layer() const
 {
     ASSERT(!m_destructionInProgress);
     ASSERT(m_layer);
@@ -576,4 +573,4 @@ Canvas2DLayerBridge::MailboxInfo::MailboxInfo(const MailboxInfo& other) {
     m_status = other.m_status;
 }
 
-}
+} // namespace blink