Refactor viewport initialization logic out of WebViewImpl.

Source/WebKit/chromium/public/WebSettings.h

Index: Source/WebKit/chromium/public/WebSettings.h
diff --git a/Source/WebKit/chromium/public/WebSettings.h b/Source/WebKit/chromium/public/WebSettings.h
index b67c5edf75f5e0fa0739f7fd9e83a5403958590a..841f5783f72940f68db9d237ec5e122b7990a619 100644
--- a/Source/WebKit/chromium/public/WebSettings.h
+++ b/Source/WebKit/chromium/public/WebSettings.h
@@ -112,13 +112,13 @@ public:
     virtual void setGestureTapHighlightEnabled(bool) = 0;
     virtual void setHyperlinkAuditingEnabled(bool) = 0;
     virtual void setImagesEnabled(bool) = 0;
-    virtual void setInitializeAtMinimumPageScale(bool) = 0;
     virtual void setJavaEnabled(bool) = 0;
     virtual void setJavaScriptCanAccessClipboard(bool) = 0;
     virtual void setJavaScriptCanOpenWindowsAutomatically(bool) = 0;
     virtual void setJavaScriptEnabled(bool) = 0;
     virtual void setLayoutFallbackWidth(int) = 0;
     virtual void setLoadsImagesAutomatically(bool) = 0;
+    virtual void setLoadWithOverviewMode(bool) = 0;
     virtual void setLocalStorageEnabled(bool) = 0;
     virtual void setMediaPlaybackRequiresUserGesture(bool) = 0;
     virtual void setMemoryInfoEnabled(bool) = 0;
@@ -176,6 +176,7 @@ public:
     void setApplyPageScaleFactorInCompositor(bool enabled) { }
     void setApplyDefaultDeviceScaleFactorInCompositor(bool enabled) { }
     void setFixedElementsLayoutRelativeToFrame(bool) { }
+    void setInitializeAtMinimumPageScale(bool enabled) { setLoadWithOverviewMode(enabled); }
 
 protected:
     ~WebSettings() { }