Reviewed by Dimitri Glazkov.

https://bugs.webkit.org/show_bug.cgi?id=31440

WebCore: 

* WebCore.gyp/WebCore.gyp:
* WebCore.gypi:
* storage/DatabaseTracker.h:
* storage/chromium/DatabaseTrackerChromium.cpp:
(WebCore::DatabaseTracker::fullPathForDatabase):
(WebCore::DatabaseTracker::getMaxSizeForDatabase):
* storage/chromium/QuotaTracker.cpp:
(WebCore::QuotaTracker::updateDatabaseSize):
* storage/chromium/QuotaTracker.h:

WebKit/chromium: 

* WebKit.gyp:
* src/ChromeClientImpl.cpp:
(WebKit::ChromeClientImpl::exceededDatabaseQuota):
* src/DatabaseObserver.cpp: Added.
(WebCore::DatabaseObserver::databaseOpened):
(WebCore::DatabaseObserver::databaseModified):
(WebCore::DatabaseObserver::databaseClosed):
* src/WebDatabase.cpp:
(WebKit::WebDatabase::name):
(WebKit::WebDatabase::displayName):
(WebKit::WebDatabase::estimatedSize):
(WebKit::WebDatabase::securityOrigin):
(WebKit::WebDatabase::updateDatabaseSize):
* src/WebSecurityOrigin.cpp:
(WebKit::WebSecurityOrigin::toString):
(WebKit::WebSecurityOrigin::databaseIdentifier):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@50961 268f45cc-cd09-0410-ab3c-d52691b4dbfc