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| 1 /* | |
| 2 * Copyright (C) 2009 Google Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions are | |
| 6 * met: | |
| 7 * | |
| 8 * * Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * * Redistributions in binary form must reproduce the above | |
| 11 * copyright notice, this list of conditions and the following disclaimer | |
| 12 * in the documentation and/or other materials provided with the | |
| 13 * distribution. | |
| 14 * * Neither the name of Google Inc. nor the names of its | |
| 15 * contributors may be used to endorse or promote products derived from | |
| 16 * this software without specific prior written permission. | |
| 17 * | |
| 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 */ | |
| 30 | |
| 31 #ifndef WebFrameImpl_h | |
| 32 #define WebFrameImpl_h | |
| 33 | |
| 34 #include "WebLocalFrame.h" | |
| 35 | |
| 36 #include "FrameLoaderClientImpl.h" | |
| 37 #include "NotificationPresenterImpl.h" | |
| 38 #include "core/frame/LocalFrame.h" | |
| 39 #include "platform/geometry/FloatRect.h" | |
| 40 #include "public/platform/WebFileSystemType.h" | |
| 41 #include "wtf/Compiler.h" | |
| 42 #include "wtf/HashSet.h" | |
| 43 #include "wtf/OwnPtr.h" | |
| 44 #include "wtf/RefCounted.h" | |
| 45 #include "wtf/text/WTFString.h" | |
| 46 | |
| 47 namespace WebCore { | |
| 48 class GraphicsContext; | |
| 49 class HTMLInputElement; | |
| 50 class HistoryItem; | |
| 51 class IntSize; | |
| 52 class KURL; | |
| 53 class Node; | |
| 54 class Range; | |
| 55 class SubstituteData; | |
| 56 struct FrameLoadRequest; | |
| 57 struct WindowFeatures; | |
| 58 } | |
| 59 | |
| 60 namespace blink { | |
| 61 class ChromePrintContext; | |
| 62 class SharedWorkerRepositoryClientImpl; | |
| 63 class TextFinder; | |
| 64 class WebDataSourceImpl; | |
| 65 class WebInputElement; | |
| 66 class WebFrameClient; | |
| 67 class WebPerformance; | |
| 68 class WebPlugin; | |
| 69 class WebPluginContainerImpl; | |
| 70 class WebView; | |
| 71 class WebViewImpl; | |
| 72 struct WebPrintParams; | |
| 73 | |
| 74 template <typename T> class WebVector; | |
| 75 | |
| 76 // Implementation of WebFrame, note that this is a reference counted object. | |
| 77 class WebFrameImpl FINAL | |
| 78 : public WebLocalFrame | |
| 79 , public RefCounted<WebFrameImpl> { | |
| 80 public: | |
| 81 // WebFrame methods: | |
| 82 virtual WebLocalFrame* toWebLocalFrame() OVERRIDE { return this; } | |
| 83 virtual void close() OVERRIDE; | |
| 84 virtual WebString uniqueName() const OVERRIDE; | |
| 85 virtual WebString assignedName() const OVERRIDE; | |
| 86 virtual void setName(const WebString&) OVERRIDE; | |
| 87 virtual WebVector<WebIconURL> iconURLs(int iconTypesMask) const OVERRIDE; | |
| 88 virtual void setIsRemote(bool) OVERRIDE; | |
| 89 virtual void setRemoteWebLayer(WebLayer*) OVERRIDE; | |
| 90 virtual void setPermissionClient(WebPermissionClient*) OVERRIDE; | |
| 91 virtual void setSharedWorkerRepositoryClient(WebSharedWorkerRepositoryClient
*) OVERRIDE; | |
| 92 virtual WebSize scrollOffset() const OVERRIDE; | |
| 93 virtual void setScrollOffset(const WebSize&) OVERRIDE; | |
| 94 virtual WebSize minimumScrollOffset() const OVERRIDE; | |
| 95 virtual WebSize maximumScrollOffset() const OVERRIDE; | |
| 96 virtual WebSize contentsSize() const OVERRIDE; | |
| 97 virtual bool hasVisibleContent() const OVERRIDE; | |
| 98 virtual WebRect visibleContentRect() const OVERRIDE; | |
| 99 virtual bool hasHorizontalScrollbar() const OVERRIDE; | |
| 100 virtual bool hasVerticalScrollbar() const OVERRIDE; | |
| 101 virtual WebView* view() const OVERRIDE; | |
| 102 virtual WebFrame* opener() const OVERRIDE; | |
| 103 virtual void setOpener(WebFrame*) OVERRIDE; | |
| 104 virtual void appendChild(WebFrame*) OVERRIDE; | |
| 105 virtual void removeChild(WebFrame*) OVERRIDE; | |
| 106 virtual WebFrame* parent() const OVERRIDE; | |
| 107 virtual WebFrame* top() const OVERRIDE; | |
| 108 virtual WebFrame* previousSibling() const OVERRIDE; | |
| 109 virtual WebFrame* nextSibling() const OVERRIDE; | |
| 110 virtual WebFrame* firstChild() const OVERRIDE; | |
| 111 virtual WebFrame* lastChild() const OVERRIDE; | |
| 112 virtual WebFrame* traversePrevious(bool wrap) const OVERRIDE; | |
| 113 virtual WebFrame* traverseNext(bool wrap) const OVERRIDE; | |
| 114 virtual WebFrame* findChildByName(const WebString&) const OVERRIDE; | |
| 115 virtual WebDocument document() const OVERRIDE; | |
| 116 virtual WebPerformance performance() const OVERRIDE; | |
| 117 virtual bool dispatchBeforeUnloadEvent() OVERRIDE; | |
| 118 virtual void dispatchUnloadEvent() OVERRIDE; | |
| 119 virtual NPObject* windowObject() const OVERRIDE; | |
| 120 virtual void bindToWindowObject(const WebString& name, NPObject*) OVERRIDE; | |
| 121 virtual void bindToWindowObject(const WebString& name, NPObject*, void*) OVE
RRIDE; | |
| 122 virtual void executeScript(const WebScriptSource&) OVERRIDE; | |
| 123 virtual void executeScriptInIsolatedWorld( | |
| 124 int worldID, const WebScriptSource* sources, unsigned numSources, | |
| 125 int extensionGroup) OVERRIDE; | |
| 126 virtual void setIsolatedWorldSecurityOrigin(int worldID, const WebSecurityOr
igin&) OVERRIDE; | |
| 127 virtual void setIsolatedWorldContentSecurityPolicy(int worldID, const WebStr
ing&) OVERRIDE; | |
| 128 virtual void addMessageToConsole(const WebConsoleMessage&) OVERRIDE; | |
| 129 virtual void collectGarbage() OVERRIDE; | |
| 130 virtual bool checkIfRunInsecureContent(const WebURL&) const OVERRIDE; | |
| 131 virtual v8::Handle<v8::Value> executeScriptAndReturnValue( | |
| 132 const WebScriptSource&) OVERRIDE; | |
| 133 virtual void executeScriptInIsolatedWorld( | |
| 134 int worldID, const WebScriptSource* sourcesIn, unsigned numSources, | |
| 135 int extensionGroup, WebVector<v8::Local<v8::Value> >* results) OVERRIDE; | |
| 136 virtual v8::Handle<v8::Value> callFunctionEvenIfScriptDisabled( | |
| 137 v8::Handle<v8::Function>, | |
| 138 v8::Handle<v8::Value>, | |
| 139 int argc, | |
| 140 v8::Handle<v8::Value> argv[]) OVERRIDE; | |
| 141 virtual v8::Local<v8::Context> mainWorldScriptContext() const OVERRIDE; | |
| 142 virtual void reload(bool ignoreCache) OVERRIDE; | |
| 143 virtual void reloadWithOverrideURL(const WebURL& overrideUrl, bool ignoreCac
he) OVERRIDE; | |
| 144 virtual void loadRequest(const WebURLRequest&) OVERRIDE; | |
| 145 virtual void loadHistoryItem(const WebHistoryItem&, WebHistoryLoadType, WebU
RLRequest::CachePolicy) OVERRIDE; | |
| 146 virtual void loadData( | |
| 147 const WebData&, const WebString& mimeType, const WebString& textEncoding
, | |
| 148 const WebURL& baseURL, const WebURL& unreachableURL, bool replace) OVERR
IDE; | |
| 149 virtual void loadHTMLString( | |
| 150 const WebData& html, const WebURL& baseURL, const WebURL& unreachableURL
, | |
| 151 bool replace) OVERRIDE; | |
| 152 virtual bool isLoading() const OVERRIDE; | |
| 153 virtual void stopLoading() OVERRIDE; | |
| 154 virtual WebDataSource* provisionalDataSource() const OVERRIDE; | |
| 155 virtual WebDataSource* dataSource() const OVERRIDE; | |
| 156 virtual void enableViewSourceMode(bool enable) OVERRIDE; | |
| 157 virtual bool isViewSourceModeEnabled() const OVERRIDE; | |
| 158 virtual void setReferrerForRequest(WebURLRequest&, const WebURL& referrer) O
VERRIDE; | |
| 159 virtual void dispatchWillSendRequest(WebURLRequest&) OVERRIDE; | |
| 160 virtual WebURLLoader* createAssociatedURLLoader(const WebURLLoaderOptions&)
OVERRIDE; | |
| 161 virtual unsigned unloadListenerCount() const OVERRIDE; | |
| 162 virtual void replaceSelection(const WebString&) OVERRIDE; | |
| 163 virtual void insertText(const WebString&) OVERRIDE; | |
| 164 virtual void setMarkedText(const WebString&, unsigned location, unsigned len
gth) OVERRIDE; | |
| 165 virtual void unmarkText() OVERRIDE; | |
| 166 virtual bool hasMarkedText() const OVERRIDE; | |
| 167 virtual WebRange markedRange() const OVERRIDE; | |
| 168 virtual bool firstRectForCharacterRange(unsigned location, unsigned length,
WebRect&) const OVERRIDE; | |
| 169 virtual size_t characterIndexForPoint(const WebPoint&) const OVERRIDE; | |
| 170 virtual bool executeCommand(const WebString&, const WebNode& = WebNode()) OV
ERRIDE; | |
| 171 virtual bool executeCommand(const WebString&, const WebString& value, const
WebNode& = WebNode()) OVERRIDE; | |
| 172 virtual bool isCommandEnabled(const WebString&) const OVERRIDE; | |
| 173 virtual void enableContinuousSpellChecking(bool) OVERRIDE; | |
| 174 virtual bool isContinuousSpellCheckingEnabled() const OVERRIDE; | |
| 175 virtual void requestTextChecking(const WebElement&) OVERRIDE; | |
| 176 virtual void replaceMisspelledRange(const WebString&) OVERRIDE; | |
| 177 virtual void removeSpellingMarkers() OVERRIDE; | |
| 178 virtual bool hasSelection() const OVERRIDE; | |
| 179 virtual WebRange selectionRange() const OVERRIDE; | |
| 180 virtual WebString selectionAsText() const OVERRIDE; | |
| 181 virtual WebString selectionAsMarkup() const OVERRIDE; | |
| 182 virtual bool selectWordAroundCaret() OVERRIDE; | |
| 183 virtual void selectRange(const WebPoint& base, const WebPoint& extent) OVERR
IDE; | |
| 184 virtual void selectRange(const WebRange&) OVERRIDE; | |
| 185 virtual void moveRangeSelection(const WebPoint& base, const WebPoint& extent
) OVERRIDE; | |
| 186 virtual void moveCaretSelection(const WebPoint&) OVERRIDE; | |
| 187 virtual bool setEditableSelectionOffsets(int start, int end) OVERRIDE; | |
| 188 virtual bool setCompositionFromExistingText(int compositionStart, int compos
itionEnd, const WebVector<WebCompositionUnderline>& underlines) OVERRIDE; | |
| 189 virtual void extendSelectionAndDelete(int before, int after) OVERRIDE; | |
| 190 virtual void setCaretVisible(bool) OVERRIDE; | |
| 191 virtual int printBegin(const WebPrintParams&, const WebNode& constrainToNode
) OVERRIDE; | |
| 192 virtual float printPage(int pageToPrint, WebCanvas*) OVERRIDE; | |
| 193 virtual float getPrintPageShrink(int page) OVERRIDE; | |
| 194 virtual void printEnd() OVERRIDE; | |
| 195 virtual bool isPrintScalingDisabledForPlugin(const WebNode&) OVERRIDE; | |
| 196 virtual bool hasCustomPageSizeStyle(int pageIndex) OVERRIDE; | |
| 197 virtual bool isPageBoxVisible(int pageIndex) OVERRIDE; | |
| 198 virtual void pageSizeAndMarginsInPixels(int pageIndex, | |
| 199 WebSize& pageSize, | |
| 200 int& marginTop, | |
| 201 int& marginRight, | |
| 202 int& marginBottom, | |
| 203 int& marginLeft) OVERRIDE; | |
| 204 virtual WebString pageProperty(const WebString& propertyName, int pageIndex)
OVERRIDE; | |
| 205 virtual void printPagesWithBoundaries(WebCanvas*, const WebSize&) OVERRIDE; | |
| 206 virtual bool find( | |
| 207 int identifier, const WebString& searchText, const WebFindOptions&, | |
| 208 bool wrapWithinFrame, WebRect* selectionRect) OVERRIDE; | |
| 209 virtual void stopFinding(bool clearSelection) OVERRIDE; | |
| 210 virtual void scopeStringMatches( | |
| 211 int identifier, const WebString& searchText, const WebFindOptions&, | |
| 212 bool reset) OVERRIDE; | |
| 213 virtual void cancelPendingScopingEffort() OVERRIDE; | |
| 214 virtual void increaseMatchCount(int count, int identifier) OVERRIDE; | |
| 215 virtual void resetMatchCount() OVERRIDE; | |
| 216 virtual int findMatchMarkersVersion() const OVERRIDE; | |
| 217 virtual WebFloatRect activeFindMatchRect() OVERRIDE; | |
| 218 virtual void findMatchRects(WebVector<WebFloatRect>&) OVERRIDE; | |
| 219 virtual int selectNearestFindMatch(const WebFloatPoint&, WebRect* selectionR
ect) OVERRIDE; | |
| 220 virtual void setTickmarks(const WebVector<WebRect>&) OVERRIDE; | |
| 221 | |
| 222 virtual void sendOrientationChangeEvent(int orientation) OVERRIDE; | |
| 223 | |
| 224 virtual void dispatchMessageEventWithOriginCheck( | |
| 225 const WebSecurityOrigin& intendedTargetOrigin, | |
| 226 const WebDOMEvent&) OVERRIDE; | |
| 227 | |
| 228 virtual WebString contentAsText(size_t maxChars) const OVERRIDE; | |
| 229 virtual WebString contentAsMarkup() const OVERRIDE; | |
| 230 virtual WebString renderTreeAsText(RenderAsTextControls toShow = RenderAsTex
tNormal) const OVERRIDE; | |
| 231 virtual WebString markerTextForListItem(const WebElement&) const OVERRIDE; | |
| 232 virtual WebRect selectionBoundsRect() const OVERRIDE; | |
| 233 | |
| 234 virtual bool selectionStartHasSpellingMarkerFor(int from, int length) const
OVERRIDE; | |
| 235 virtual WebString layerTreeAsText(bool showDebugInfo = false) const OVERRIDE
; | |
| 236 | |
| 237 void willDetachParent(); | |
| 238 | |
| 239 static WebFrameImpl* create(WebFrameClient*); | |
| 240 virtual ~WebFrameImpl(); | |
| 241 | |
| 242 // Called by the WebViewImpl to initialize the main frame for the page. | |
| 243 void initializeAsMainFrame(WebCore::Page*); | |
| 244 | |
| 245 PassRefPtr<WebCore::LocalFrame> createChildFrame( | |
| 246 const WebCore::FrameLoadRequest&, WebCore::HTMLFrameOwnerElement*); | |
| 247 | |
| 248 void didChangeContentsSize(const WebCore::IntSize&); | |
| 249 | |
| 250 void createFrameView(); | |
| 251 | |
| 252 static WebFrameImpl* fromFrame(WebCore::LocalFrame* frame); | |
| 253 static WebFrameImpl* fromFrameOwnerElement(WebCore::Element* element); | |
| 254 | |
| 255 // If the frame hosts a PluginDocument, this method returns the WebPluginCon
tainerImpl | |
| 256 // that hosts the plugin. | |
| 257 static WebPluginContainerImpl* pluginContainerFromFrame(WebCore::LocalFrame*
); | |
| 258 | |
| 259 // If the frame hosts a PluginDocument, this method returns the WebPluginCon
tainerImpl | |
| 260 // that hosts the plugin. If the provided node is a plugin, then it runs its | |
| 261 // WebPluginContainerImpl. | |
| 262 static WebPluginContainerImpl* pluginContainerFromNode(WebCore::LocalFrame*,
const WebNode&); | |
| 263 | |
| 264 WebViewImpl* viewImpl() const; | |
| 265 | |
| 266 WebCore::FrameView* frameView() const { return frame() ? frame()->view() : 0
; } | |
| 267 | |
| 268 // Getters for the impls corresponding to Get(Provisional)DataSource. They | |
| 269 // may return 0 if there is no corresponding data source. | |
| 270 WebDataSourceImpl* dataSourceImpl() const; | |
| 271 WebDataSourceImpl* provisionalDataSourceImpl() const; | |
| 272 | |
| 273 // Returns which frame has an active match. This function should only be | |
| 274 // called on the main frame, as it is the only frame keeping track. Returned | |
| 275 // value can be 0 if no frame has an active match. | |
| 276 WebFrameImpl* activeMatchFrame() const; | |
| 277 | |
| 278 // Returns the active match in the current frame. Could be a null range if | |
| 279 // the local frame has no active match. | |
| 280 WebCore::Range* activeMatch() const; | |
| 281 | |
| 282 // When a Find operation ends, we want to set the selection to what was acti
ve | |
| 283 // and set focus to the first focusable node we find (starting with the firs
t | |
| 284 // node in the matched range and going up the inheritance chain). If we find | |
| 285 // nothing to focus we focus the first focusable node in the range. This | |
| 286 // allows us to set focus to a link (when we find text inside a link), which | |
| 287 // allows us to navigate by pressing Enter after closing the Find box. | |
| 288 void setFindEndstateFocusAndSelection(); | |
| 289 | |
| 290 void didFail(const WebCore::ResourceError&, bool wasProvisional); | |
| 291 | |
| 292 // Sets whether the WebFrameImpl allows its document to be scrolled. | |
| 293 // If the parameter is true, allow the document to be scrolled. | |
| 294 // Otherwise, disallow scrolling. | |
| 295 virtual void setCanHaveScrollbars(bool) OVERRIDE; | |
| 296 | |
| 297 WebCore::LocalFrame* frame() const { return m_frame.get(); } | |
| 298 WebFrameClient* client() const { return m_client; } | |
| 299 void setClient(WebFrameClient* client) { m_client = client; } | |
| 300 | |
| 301 WebPermissionClient* permissionClient() { return m_permissionClient; } | |
| 302 SharedWorkerRepositoryClientImpl* sharedWorkerRepositoryClient() const { ret
urn m_sharedWorkerRepositoryClient.get(); } | |
| 303 | |
| 304 void setInputEventsTransformForEmulation(const WebCore::IntSize&, float); | |
| 305 | |
| 306 static void selectWordAroundPosition(WebCore::LocalFrame*, WebCore::VisibleP
osition); | |
| 307 | |
| 308 // Returns the text finder object if it already exists. | |
| 309 // Otherwise creates it and then returns. | |
| 310 TextFinder& ensureTextFinder(); | |
| 311 | |
| 312 // Invalidates vertical scrollbar only. | |
| 313 void invalidateScrollbar() const; | |
| 314 | |
| 315 // Invalidates both content area and the scrollbar. | |
| 316 void invalidateAll() const; | |
| 317 | |
| 318 private: | |
| 319 friend class FrameLoaderClientImpl; | |
| 320 | |
| 321 explicit WebFrameImpl(WebFrameClient*); | |
| 322 | |
| 323 // Sets the local WebCore frame and registers destruction observers. | |
| 324 void setWebCoreFrame(PassRefPtr<WebCore::LocalFrame>); | |
| 325 | |
| 326 void loadJavaScriptURL(const WebCore::KURL&); | |
| 327 | |
| 328 // Returns a hit-tested VisiblePosition for the given point | |
| 329 WebCore::VisiblePosition visiblePositionForWindowPoint(const WebPoint&); | |
| 330 | |
| 331 WebPlugin* focusedPluginIfInputMethodSupported(); | |
| 332 | |
| 333 // Returns the provider of desktop notifications. | |
| 334 NotificationPresenterImpl* notificationPresenterImpl(); | |
| 335 | |
| 336 FrameLoaderClientImpl m_frameLoaderClientImpl; | |
| 337 | |
| 338 // The embedder retains a reference to the WebCore LocalFrame while it is ac
tive in the DOM. This | |
| 339 // reference is released when the frame is removed from the DOM or the entir
e page is closed. | |
| 340 // FIXME: These will need to change to WebFrame when we introduce WebFramePr
oxy. | |
| 341 RefPtr<WebCore::LocalFrame> m_frame; | |
| 342 WebFrameImpl* m_parent; | |
| 343 WebFrameImpl* m_previousSibling; | |
| 344 WebFrameImpl* m_nextSibling; | |
| 345 WebFrameImpl* m_firstChild; | |
| 346 WebFrameImpl* m_lastChild; | |
| 347 | |
| 348 WebFrameImpl* m_opener; | |
| 349 WTF::HashSet<WebFrameImpl*> m_openedFrames; | |
| 350 | |
| 351 // Indicate whether the current LocalFrame is local or remote. Remote frames
are | |
| 352 // rendered in a different process from their parent frames. | |
| 353 bool m_isRemote; | |
| 354 | |
| 355 WebFrameClient* m_client; | |
| 356 WebPermissionClient* m_permissionClient; | |
| 357 OwnPtr<SharedWorkerRepositoryClientImpl> m_sharedWorkerRepositoryClient; | |
| 358 | |
| 359 // Will be initialized after first call to find() or scopeStringMatches(). | |
| 360 OwnPtr<TextFinder> m_textFinder; | |
| 361 | |
| 362 // Valid between calls to BeginPrint() and EndPrint(). Containts the print | |
| 363 // information. Is used by PrintPage(). | |
| 364 OwnPtr<ChromePrintContext> m_printContext; | |
| 365 | |
| 366 // Stores the additional input events offset and scale when device metrics e
mulation is enabled. | |
| 367 WebCore::IntSize m_inputEventsOffsetForEmulation; | |
| 368 float m_inputEventsScaleFactorForEmulation; | |
| 369 | |
| 370 // The provider of desktop notifications; | |
| 371 NotificationPresenterImpl m_notificationPresenter; | |
| 372 }; | |
| 373 | |
| 374 DEFINE_TYPE_CASTS(WebFrameImpl, WebFrame, frame, true, true); | |
| 375 | |
| 376 } // namespace blink | |
| 377 | |
| 378 #endif | |
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Chromium Code Reviews
Issue 241303002:
Rename WebFrameImpl to WebLocalFrameImpl. (Closed)
Base URL: svn://svn.chromium.org/blink/trunk